51
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A Novel Method to Construct Dual-targeted Magnetic Nanoprobes by Modular Assembling. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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52
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Bai C, Hu P, Zhang W, Song L, Liu D, Chen Y, Ma M, Gu N, Zhang Y. Modular design of Bi-specific nanoplatform engaged in malignant lymphoma immunotherapy. NANOSCALE 2020; 12:18418-18428. [PMID: 32941572 DOI: 10.1039/d0nr04450d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nanocarrier systems play an important role in cancer immunotherapy. In this article, biotinylated CD20 and CD3 antibodies were conjugated onto the surface of streptavidin modified ultra-small Fe3O4 nanoparticles via specific binding between streptavidin and biotin to construct a bi-specific nanoplatform (BSNP). The synthesized BSNP with 30 nm hydrodynamic size provides a better magnetic resonance imaging ability than the clinical Gd-chelated contrast agents (r1 value is 5.27 mM-1 s-1 and 4.52 mM-1 s-1 for BSNP and Magnevist, respectively). This nanoplatform can target CD20-positive Raji cells and enhance the T cell mediated cell killing effect in vitro. Further, it can also inhibit tumor growth and prolong the survival time of non-Hodgkin's lymphoma (NHL) xenograft model in vivo. The probable mechanism is that while BSNP can directly induce the apoptosis of Raji cell via aggregation of CD20, T cells are recruited around tumor cells by the BSNP leading to T cell-mediated tumor cell lysis. In addition, the enhanced dual-modal MRI-fluorescence images can be acquired. In summary, the modular designed BSNP provides an efficient immune-related cancer theranostic strategy, which is of great potential as a simple and universal nanoplatform by combining different antibodies to enhance the cancer theranostic efficacy.
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Affiliation(s)
- Chen Bai
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing 210096, P. R. China.
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53
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Vong K, Yamamoto T, Tanaka K. Artificial Glycoproteins as a Scaffold for Targeted Drug Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1906890. [PMID: 32068952 DOI: 10.1002/smll.201906890] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 12/24/2019] [Indexed: 06/10/2023]
Abstract
Akin to a cellular "fingerprint," the glycocalyx is a glycan-enriched cellular coating that plays a crucial role in mediating cell-to-cell interactions. To gain a better understanding of the factors that govern in vivo recognition, artificial glycoproteins were initially created to probe changes made to the accumulation and biodistribution of specific glycan assemblies through biomimicry. As a result, the organ-specific accumulation for a variety of glycoproteins decorated with simple and/or complex glycans was identified. Additionally, binding trends with regard to cancer cell selectivity were also investigated. To exploit the knowledge gained from these studies, numerous groups thus became engaged in developing targeted drug methodologies based on the use of artificial glycoproteins. This has either been done through adopting the glycoprotein scaffold as a drug carrier, or to directly glycosylate therapeutic proteins/enzymes to localize their biological activity. The principle aim of this Review is to present the foundational research that has driven artificial glycoprotein-based targeting and subsequent adaptations with potential therapeutic applications.
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Affiliation(s)
- Kenward Vong
- Biofunctional Synthetic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
| | - Tomoya Yamamoto
- Biofunctional Synthetic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
| | - Katsunori Tanaka
- Biofunctional Synthetic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo, 152-8552, Japan
- Biofunctional Chemistry Laboratory, A. Butlerov Institute of Chemistry, Kazan Federal University, 18 Kremlyovskaya Street, Kazan, 420008, Russian Federation
- GlycoTargeting Research Laboratory, RIKEN Baton Zone Program, 2-1 Hirosawa, Wako-shi, Saitama, 351-0198, Japan
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54
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Himiyama T, Okamoto Y. Artificial Metalloenzymes: From Selective Chemical Transformations to Biochemical Applications. Molecules 2020; 25:molecules25132989. [PMID: 32629938 PMCID: PMC7411666 DOI: 10.3390/molecules25132989] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 11/16/2022] Open
Abstract
Artificial metalloenzymes (ArMs) comprise a synthetic metal complex in a protein scaffold. ArMs display performances combining those of both homogeneous catalysts and biocatalysts. Specifically, ArMs selectively catalyze non-natural reactions and reactions inspired by nature in water under mild conditions. In the past few years, the construction of ArMs that possess a genetically incorporated unnatural amino acid and the directed evolution of ArMs have become of great interest in the field. Additionally, biochemical applications of ArMs have steadily increased, owing to the fact that compartmentalization within a protein scaffold allows the synthetic metal complex to remain functional in a sea of inactivating biomolecules. In this review, we present updates on: 1) the newly reported ArMs, according to their type of reaction, and 2) the unique biochemical applications of ArMs, including chemoenzymatic cascades and intracellular/in vivo catalysis. We believe that ArMs have great potential as catalysts for organic synthesis and as chemical biology tools for pharmaceutical applications.
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Affiliation(s)
- Tomoki Himiyama
- National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka 563-8577, Japan;
- DBT-AIST International Laboratory for Advanced Biomedicine (DAILAB), Ikeda, Osaka 563-8577, Japan
| | - Yasunori Okamoto
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, 6-3 Aramaki aza Aoba, Aoba-ku, Sendai 980-8578, Japan
- Correspondence: ; Tel.: +81-22-795-5264
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55
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Gutiérrez de Souza C, Bersellini M, Roelfes G. Artificial Metalloenzymes based on TetR Proteins and Cu(II) for Enantioselective Friedel-Crafts Alkylation Reactions. ChemCatChem 2020; 12:3190-3194. [PMID: 32612714 PMCID: PMC7319431 DOI: 10.1002/cctc.202000245] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/31/2020] [Indexed: 12/16/2022]
Abstract
The supramolecular approach is among the most convenient methodologies for creating artificial metalloenzymes (ArMs). Usually this approach involves the binding of a transition metal ion complex to a biomolecular scaffold via its ligand, which also modulates the catalytic properties of the metal ion. Herein, we report ArMs based on the proteins CgmR, RamR and QacR from the TetR family of multidrug resistance regulators (MDRs) and Cu2+ ions, assembled without the need of a ligand. These ArMs catalyze the enantioselective vinylogous Friedel-Crafts alkylation reaction with up to 75 % ee. Competition experiments with ethidium and rhodamine 6G confirm that the reactions occur in the chiral environment of the hydrophobic pocket. It is proposed that the Cu2+-substrate complex is bound via a combination of electrostatic and π-stacking interactions provided by the second coordination sphere. This approach constitutes a fast and straightforward way to assemble metalloenzymes and may facilitate future optimization of the protein scaffolds via mutagenesis or directed evolution approaches.
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Affiliation(s)
- Cora Gutiérrez de Souza
- Stratingh Institute for ChemistryUniversity of Groningen Nijenborgh49747AG GroningenThe Netherlands
| | - Manuela Bersellini
- Stratingh Institute for ChemistryUniversity of Groningen Nijenborgh49747AG GroningenThe Netherlands
| | - Gerard Roelfes
- Stratingh Institute for ChemistryUniversity of Groningen Nijenborgh49747AG GroningenThe Netherlands
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56
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Serrano-Plana J, Rumo C, Rebelein JG, Peterson RL, Barnet M, Ward TR. Enantioselective Hydroxylation of Benzylic C(sp 3)-H Bonds by an Artificial Iron Hydroxylase Based on the Biotin-Streptavidin Technology. J Am Chem Soc 2020; 142:10617-10623. [PMID: 32450689 PMCID: PMC7332155 DOI: 10.1021/jacs.0c02788] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
The selective hydroxylation of C–H
bonds is of great interest
to the synthetic community. Both homogeneous catalysts and enzymes
offer complementary means to tackle this challenge. Herein, we show
that biotinylated Fe(TAML)-complexes (TAML = Tetra Amido Macrocyclic
Ligand) can be used as cofactors for incorporation into streptavidin
to assemble artificial hydroxylases. Chemo-genetic optimization of
both cofactor and streptavidin allowed optimizing the performance
of the hydroxylase. Using H2O2 as oxidant, up
to ∼300 turnovers for the oxidation of benzylic C–H
bonds were obtained. Upgrading the ee was achieved by kinetic resolution
of the resulting benzylic alcohol to afford up to >98% ee for (R)-tetralol. X-ray analysis of artificial hydroxylases highlights
critical details of the second coordination sphere around the Fe(TAML)
cofactor.
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Affiliation(s)
- Joan Serrano-Plana
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Corentin Rumo
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Johannes G Rebelein
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Ryan L Peterson
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland.,Department of Chemistry and Biochemistry, Texas State University, 78666 Texas, United States
| | - Maxime Barnet
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Thomas R Ward
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
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57
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Miller KR, Paretsky JD, Follmer AH, Heinisch T, Mittra K, Gul S, Kim IS, Fuller FD, Batyuk A, Sutherlin KD, Brewster AS, Bhowmick A, Sauter NK, Kern J, Yano J, Green MT, Ward TR, Borovik AS. Artificial Iron Proteins: Modeling the Active Sites in Non-Heme Dioxygenases. Inorg Chem 2020; 59:6000-6009. [PMID: 32309932 PMCID: PMC7219546 DOI: 10.1021/acs.inorgchem.9b03791] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An important class of non-heme dioxygenases contains a conserved Fe binding site that consists of a 2-His-1-carboxylate facial triad. Results from structural biology show that, in the resting state, these proteins are six-coordinate with aqua ligands occupying the remaining three coordination sites. We have utilized biotin-streptavidin (Sav) technology to design new artificial Fe proteins (ArMs) that have many of the same structural features found within active sites of these non-heme dioxygenases. An Sav variant was isolated that contains the S112E mutation, which installed a carboxylate side chain in the appropriate position to bind to a synthetic FeII complex confined within Sav. Structural studies using X-ray diffraction (XRD) methods revealed a facial triad binding site that is composed of two N donors from the biotinylated ligand and the monodentate coordination of the carboxylate from S112E. Two aqua ligands complete the primary coordination sphere of the FeII center with both involved in hydrogen bond networks within Sav. The corresponding FeIII protein was also prepared and structurally characterized to show a six-coordinate complex with two exogenous acetato ligands. The FeIII protein was further shown to bind an exogenous azido ligand through replacement of one acetato ligand. Spectroscopic studies of the ArMs in solution support the results found by XRD.
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Affiliation(s)
- Kelsey R. Miller
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 9269
| | - Jonathan D. Paretsky
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 9269
| | - Alec H. Follmer
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 9269
| | - Tillmann Heinisch
- Department of Chemistry, University of Basel, PO Box 3350, Mattenstrasse 24a, BPR 1096, CH-4002 Basel, Switzerland
| | - Kaustuv Mittra
- Department of Molecular Biosciences and Biochemistry, University of California, Irvine, CA 92697
| | - Sheraz Gul
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - In-Sik Kim
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Franklin D. Fuller
- Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94025 USA
| | - Alexander Batyuk
- Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, California 94025 USA
| | - Kyle D. Sutherlin
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Aaron S. Brewster
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Asmit Bhowmick
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Nicholas K. Sauter
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Jan Kern
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Junko Yano
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Michael T. Green
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 9269
- Department of Molecular Biosciences and Biochemistry, University of California, Irvine, CA 92697
| | - Thomas R. Ward
- Department of Chemistry, University of Basel, PO Box 3350, Mattenstrasse 24a, BPR 1096, CH-4002 Basel, Switzerland
| | - A. S. Borovik
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 9269
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58
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Roy A, Vaughn MD, Tomlin J, Booher GJ, Kodis G, Simmons CR, Allen JP, Ghirlanda G. Enhanced Photocatalytic Hydrogen Production by Hybrid Streptavidin-Diiron Catalysts. Chemistry 2020; 26:6240-6246. [PMID: 32201996 DOI: 10.1002/chem.202000204] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/24/2020] [Indexed: 01/22/2023]
Abstract
Hybrid protein-organometallic catalysts are being explored for selective catalysis of a number of reactions, because they utilize the complementary strengths of proteins and of organometallic complex. Herein, we present an artificial hydrogenase, StrepH2, built by incorporating a biotinylated [Fe-Fe] hydrogenase organometallic mimic within streptavidin. This strategy takes advantage of the remarkable strength and specificity of biotin-streptavidin recognition, which drives quantitative incorporation of the biotinylated diironhexacarbonyl center into streptavidin, as confirmed by UV/Vis spectroscopy and X-ray crystallography. FTIR spectra of StrepH2 show characteristic peaks at shift values indicative of interactions between the catalyst and the protein scaffold. StrepH2 catalyzes proton reduction to hydrogen in aqueous media during photo- and electrocatalysis. Under photocatalytic conditions, the protein-embedded catalyst shows enhanced efficiency and prolonged activity compared to the isolated catalyst. Transient absorption spectroscopy data suggest a mechanism for the observed increase in activity underpinned by an observed longer lifetime for the catalytic species FeI Fe0 when incorporated within streptavidin compared to the biotinylated catalyst in solution.
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Affiliation(s)
- Anindya Roy
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA.,Present Address: Molecular Engineering and Sciences, Institute for Protein Design, University of Washington, Seattle, WA, 98195-1655, USA
| | - Michael D Vaughn
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - John Tomlin
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - Garrett J Booher
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - Gerdenis Kodis
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - Chad R Simmons
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - James P Allen
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
| | - Giovanna Ghirlanda
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287-1604, USA
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59
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Nödling AR, Santi N, Williams TL, Tsai YH, Luk LYP. Enabling protein-hosted organocatalytic transformations. RSC Adv 2020; 10:16147-16161. [PMID: 33184588 PMCID: PMC7654312 DOI: 10.1039/d0ra01526a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/25/2020] [Indexed: 12/30/2022] Open
Abstract
In this review, the development of organocatalytic artificial enzymes will be discussed. This area of protein engineering research has underlying importance, as it enhances the biocompatibility of organocatalysis for applications in chemical and synthetic biology research whilst expanding the catalytic repertoire of enzymes. The approaches towards the preparation of organocatalytic artificial enzymes, techniques used to improve their performance (selectivity and reactivity) as well as examples of their applications are presented. Challenges and opportunities are also discussed.
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Affiliation(s)
- Alexander R Nödling
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Nicolò Santi
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Thomas L Williams
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Yu-Hsuan Tsai
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
| | - Louis Y P Luk
- School of Chemistry, Cardiff University, Main Building, Cardiff, CF10 3AT, UK.
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60
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Watanabe Y, Aiba Y, Ariyasu S, Abe S. Molecular Design and Regulation of Metalloenzyme Activities through Two Novel Approaches: Ferritin and P450s. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20190305] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Yoshihito Watanabe
- Research Center for Materials Science, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Yuichiro Aiba
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Shinya Ariyasu
- Department of Chemistry, Graduate School of Science, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8602, Japan
| | - Satoshi Abe
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Nagatsuda-cho, Yokohama, Kanagawa, Japan
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61
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López-Andarias J, Saarbach J, Moreau D, Cheng Y, Derivery E, Laurent Q, González-Gaitán M, Winssinger N, Sakai N, Matile S. Cell-Penetrating Streptavidin: A General Tool for Bifunctional Delivery with Spatiotemporal Control, Mediated by Transport Systems Such as Adaptive Benzopolysulfane Networks. J Am Chem Soc 2020; 142:4784-4792. [PMID: 32109058 PMCID: PMC7307903 DOI: 10.1021/jacs.9b13621] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Indexed: 12/17/2022]
Abstract
In this report, cell-penetrating streptavidin (CPS) is introduced to exploit the full power of streptavidin-biotin biotechnology in cellular uptake. For this purpose, transporters, here cyclic oligochalcogenides (COCs), are covalently attached to lysines of wild-type streptavidin. This leaves all four biotin binding sites free for at least bifunctional delivery. To maximize the standards of the quantitative evaluation of cytosolic delivery, the recent chloroalkane penetration assay (CAPA) is coupled with automated high content (HC) imaging, a technique that combines the advantages of fluorescence microscopy and flow cytometry. According to the resulting HC-CAPA, cytosolic delivery of CPS equipped with four benzopolysulfanes was the best among all tested CPSs, also better than the much smaller TAT peptide, the original cell-penetrating peptide from HIV. HaloTag-GFP fusion proteins expressed on mitochondria were successfully targeted using CPS carrying two different biotinylated ligands, HaloTag substrates or anti-GFP nanobodies, interfaced with peptide nucleic acids, flipper force probes, or fluorescent substrates. The delivered substrates could be released from CPS into the cytosol through desthiobiotin-biotin exchange. These results validate CPS as a general tool which enables unrestricted use of streptavidin-biotin biotechnology in cellular uptake.
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Affiliation(s)
- Javier López-Andarias
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Jacques Saarbach
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Dimitri Moreau
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Yangyang Cheng
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Emmanuel Derivery
- MRC
Laboratory of Molecular Biology, Cambridge CB2 0QH, United Kingdom
| | - Quentin Laurent
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Marcos González-Gaitán
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Nicolas Winssinger
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Naomi Sakai
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
| | - Stefan Matile
- School
of Chemistry and Biochemistry and National Centre of Competence in
Research (NCCR) Chemical Biology, University
of Geneva, Geneva 1211, Switzerland
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62
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Yu Z, Cowan JA. Design and applications of catalytic metallodrugs containing the ATCUN motif. Med Chem 2020. [DOI: 10.1016/bs.adioch.2019.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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63
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Pilar Lamata M, Passarelli V, Carmona D. Recent Advances in Iridium-Catalysed Transfer Hydrogenation Reactions. TOP ORGANOMETAL CHEM 2020. [DOI: 10.1007/3418_2020_59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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64
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TANAKA K, VONG K. Unlocking the therapeutic potential of artificial metalloenzymes. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2020; 96:79-94. [PMID: 32161212 PMCID: PMC7167364 DOI: 10.2183/pjab.96.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
In order to harness the functionality of metals, nature has evolved over billions of years to utilize metalloproteins as key components in numerous cellular processes. Despite this, transition metals such as ruthenium, palladium, iridium, and gold are largely absent from naturally occurring metalloproteins, likely due to their scarcity as precious metals. To mimic the evolutionary process of nature, the field of artificial metalloenzymes (ArMs) was born as a way to benefit from the unique chemoselectivity and orthogonality of transition metals in a biological setting. In its current state, numerous examples have successfully incorporated transition metals into a variety of protein scaffolds. Using these ArMs, many examples of new-to-nature reactions have been carried out, some of which have shown substantial biocompatibility. Given the rapid rate at which this field is growing, this review aims to highlight some important studies that have begun to take the next step within this field; namely the development of ArM-centered drug therapies or biotechnological tools.
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Affiliation(s)
- Katsunori TANAKA
- Cluster for Pioneering Research, RIKEN, Wako, Saitama, Japan
- A. Butlerov Institute of Chemistry, Kazan Federal University, Kazan, Russia
- Baton Zone Program, RIKEN, Wako, Saitama, Japan
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Tokyo, Japan
- Correspondence should be addressed: K. Tanaka, Biofunctional Synthetic Chemistry Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan (e-mail: )
| | - Kenward VONG
- Cluster for Pioneering Research, RIKEN, Wako, Saitama, Japan
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65
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Cooperativity of hydrogen bonding network in microsolvated biotin, the ligand of avidin class proteins. J Mol Model 2019; 25:361. [DOI: 10.1007/s00894-019-4253-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Accepted: 11/12/2019] [Indexed: 10/25/2022]
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66
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Leveson-Gower RB, Mayer C, Roelfes G. The importance of catalytic promiscuity for enzyme design and evolution. Nat Rev Chem 2019. [DOI: 10.1038/s41570-019-0143-x] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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67
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Ziegler F, Teske J, Elser I, Dyballa M, Frey W, Kraus H, Hansen N, Rybka J, Tallarek U, Buchmeiser MR. Olefin Metathesis in Confined Geometries: A Biomimetic Approach toward Selective Macrocyclization. J Am Chem Soc 2019; 141:19014-19022. [DOI: 10.1021/jacs.9b08776] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | | | | | | | | | - Hamzeh Kraus
- Institute of Thermodynamics and Thermal Process Engineering, University of Stuttgart, Pfaffenwaldring 9, D-70569 Stuttgart, Germany
| | - Niels Hansen
- Institute of Thermodynamics and Thermal Process Engineering, University of Stuttgart, Pfaffenwaldring 9, D-70569 Stuttgart, Germany
| | - Julia Rybka
- Department of Chemistry, Philipps-University of Marburg, Hans-Meerwein-Strasse 4, D-35032 Marburg, Germany
| | - Ulrich Tallarek
- Department of Chemistry, Philipps-University of Marburg, Hans-Meerwein-Strasse 4, D-35032 Marburg, Germany
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Wu S, Zhou Y, Rebelein JG, Kuhn M, Mallin H, Zhao J, Igareta NV, Ward TR. Breaking Symmetry: Engineering Single-Chain Dimeric Streptavidin as Host for Artificial Metalloenzymes. J Am Chem Soc 2019; 141:15869-15878. [PMID: 31509711 PMCID: PMC6805045 DOI: 10.1021/jacs.9b06923] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
The biotin–streptavidin technology
has been extensively
exploited to engineer artificial metalloenzymes (ArMs) that catalyze
a dozen different reactions. Despite its versatility, the homotetrameric
nature of streptavidin (Sav) and the noncooperative binding of biotinylated
cofactors impose two limitations on the genetic optimization of ArMs:
(i) point mutations are reflected in all four subunits of Sav, and
(ii) the noncooperative binding of biotinylated cofactors to Sav may
lead to an erosion in the catalytic performance, depending on the
cofactor:biotin-binding site ratio. To address these challenges, we
report on our efforts to engineer a (monovalent) single-chain dimeric
streptavidin (scdSav) as scaffold for Sav-based ArMs. The versatility
of scdSav as host protein is highlighted for the asymmetric transfer
hydrogenation of prochiral imines using [Cp*Ir(biot-p-L)Cl] as cofactor. By capitalizing on a more precise genetic fine-tuning
of the biotin-binding vestibule, unrivaled levels of activity and
selectivity were achieved for the reduction of challenging prochiral
imines. Comparison of the saturation kinetic data and X-ray structures
of [Cp*Ir(biot-p-L)Cl]·scdSav with a structurally
related [Cp*Ir(biot-p-L)Cl]·monovalent scdSav
highlights the advantages of the presence of a single biotinylated
cofactor precisely localized within the biotin-binding vestibule of
the monovalent scdSav. The practicality of scdSav-based ArMs was illustrated
for the reduction of the salsolidine precursor (500 mM) to afford
(R)-salsolidine in 90% ee and >17 000 TONs.
Monovalent scdSav thus provides a versatile scaffold to evolve more
efficient ArMs for in vivo catalysis and large-scale applications.
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Affiliation(s)
- Shuke Wu
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Yi Zhou
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Johannes G Rebelein
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Miriam Kuhn
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Hendrik Mallin
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Jingming Zhao
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Nico V Igareta
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
| | - Thomas R Ward
- Department of Chemistry , University of Basel , BPR 1096, Mattenstrasse 24a , CH-4058 Basel , Switzerland
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69
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Gu Y, Natoli SN, Liu Z, Clark DS, Hartwig JF. Site-Selective Functionalization of (sp 3 )C-H Bonds Catalyzed by Artificial Metalloenzymes Containing an Iridium-Porphyrin Cofactor. Angew Chem Int Ed Engl 2019; 58:13954-13960. [PMID: 31356719 DOI: 10.1002/anie.201907460] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/12/2019] [Indexed: 12/25/2022]
Abstract
The selective functionalization of one C-H bond over others in nearly identical steric and electronic environments can facilitate the construction of complex molecules. We report site-selective functionalizations of C-H bonds, differentiated solely by remote substituents, catalyzed by artificial metalloenzymes (ArMs) that are generated from the combination of an evolvable P450 scaffold and an iridium-porphyrin cofactor. The generated systems catalyze the insertion of carbenes into the C-H bonds of a range of phthalan derivatives containing substituents that render the two methylene positions in each phthalan inequivalent. These reactions occur with site-selectivity ratios of up to 17.8:1 and, in most cases, with pairs of enzyme mutants that preferentially form each of the two constitutional isomers. This study demonstrates the potential of abiotic reactions catalyzed by metalloenzymes to functionalize C-H bonds with site selectivity that is difficult to achieve with small-molecule catalysts.
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Affiliation(s)
- Yang Gu
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Sean N Natoli
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Zhennan Liu
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Douglas S Clark
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA, 94720, USA.,Molecular Biophysics and Integrated Bioimaging Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - John F Hartwig
- Department of Chemistry, University of California, Berkeley, CA, 94720, USA.,Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
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70
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Gu Y, Natoli SN, Liu Z, Clark DS, Hartwig JF. Site‐Selective Functionalization of (sp
3
)C−H Bonds Catalyzed by Artificial Metalloenzymes Containing an Iridium‐Porphyrin Cofactor. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907460] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yang Gu
- Department of Chemistry University of California Berkeley CA 94720 USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Sean N. Natoli
- Department of Chemistry University of California Berkeley CA 94720 USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Zhennan Liu
- Department of Chemistry University of California Berkeley CA 94720 USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - Douglas S. Clark
- Department of Chemical and Biomolecular Engineering University of California Berkeley CA 94720 USA
- Molecular Biophysics and Integrated Bioimaging Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
| | - John F. Hartwig
- Department of Chemistry University of California Berkeley CA 94720 USA
- Chemical Sciences Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA
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71
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Davis H, Ward TR. Artificial Metalloenzymes: Challenges and Opportunities. ACS CENTRAL SCIENCE 2019; 5:1120-1136. [PMID: 31404244 PMCID: PMC6661864 DOI: 10.1021/acscentsci.9b00397] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Indexed: 05/04/2023]
Abstract
Artificial metalloenzymes (ArMs) result from the incorporation of an abiotic metal cofactor within a protein scaffold. From the earliest techniques of transition metals adsorbed on silk fibers, the field of ArMs has expanded dramatically over the past 60 years to encompass a range of reaction classes and inspired approaches: Assembly of the ArMs has taken multiple forms with both covalent and supramolecular anchoring strategies, while the scaffolds have been intuitively selected and evolved, repurposed, or designed in silico. Herein, we discuss some of the most prominent recent examples of ArMs to highlight the challenges and opportunities presented by the field.
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72
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Perez-Rizquez C, Rodriguez-Otero A, Palomo JM. Combining enzymes and organometallic complexes: novel artificial metalloenzymes and hybrid systems for C-H activation chemistry. Org Biomol Chem 2019; 17:7114-7123. [PMID: 31294731 DOI: 10.1039/c9ob01091b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This review describes the recent advances in the design of novel artificial metalloenzymes and their application in C-H activation reactions. The combination of enzymes and metal or organometallic complexes for the creation of new artificial metalloenzymes has represented a very exciting research line. In particular, the development of proteins with the ability to perform C-H functionalization presents a significant challenge. Here we discuss the development of these processes on natural metalloenzymes by using directed evolution, biotin-(strept)avidin technologies, photocatalytic hybrids or reconstitution of heme-protein technology.
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Affiliation(s)
- Carlos Perez-Rizquez
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, Cantoblanco, Campus UAM, 28049 Madrid, Spain.
| | - Alba Rodriguez-Otero
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, Cantoblanco, Campus UAM, 28049 Madrid, Spain.
| | - Jose M Palomo
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, Cantoblanco, Campus UAM, 28049 Madrid, Spain.
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73
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74
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Abstract
Template assistance allows organic reactions to occur under highly dilute conditions-where intermolecular reactions often fail to proceed-by bringing reactants into close spatial proximity. This strategy has been elegantly applied to numerous systems, but always with the retention of at least one of the templating groups in the product. In this report, we describe a traceless, templated amide-forming ligation that proceeds at low micromolar concentration under aqueous conditions in the presence of biomolecules. We utilized the unique features of an acylboronate-hydroxylamine ligation, in which covalent bonds are broken in each of the reactants as the new amide bond is formed. By using streptavidin as a template and acylboronates and O-acylhydroxylamines bearing desthiobiotins that are cleaved upon amide formation, we demonstrate that traceless, templated ligation occurs rapidly even at submicromolar concentrations. The requirement for a close spatial orientation of the functional groups-achieved upon binding to streptavidin-is critical for the observed enhancement in the rate and quantity of product formed.
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Affiliation(s)
- Alberto Osuna Gálvez
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences , ETH Zürich , 8093 Zürich , Switzerland
| | - Jeffrey W Bode
- Laboratorium für Organische Chemie, Department of Chemistry and Applied Biosciences , ETH Zürich , 8093 Zürich , Switzerland
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75
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Call A, Casadevall C, Romero-Rivera A, Martin-Diaconescu V, Sommer DJ, Osuna S, Ghirlanda G, Lloret-Fillol J. Improved Electro- and Photocatalytic Water Reduction by Confined Cobalt Catalysts in Streptavidin. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04981] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Arnau Call
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
| | - Carla Casadevall
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
| | - Adrian Romero-Rivera
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Carrer Maria Aurèlia Capmany 69, 17003 Girona, Spain
| | - Vlad Martin-Diaconescu
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
| | - Dayn J. Sommer
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Sílvia Osuna
- Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Carrer Maria Aurèlia Capmany 69, 17003 Girona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluïs Companys, 23, 08010, Barcelona, Spain
| | - Giovanna Ghirlanda
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287-1604, United States
| | - Julio Lloret-Fillol
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda Països Catalans 16, 43007 Tarragona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluïs Companys, 23, 08010, Barcelona, Spain
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76
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Liang AD, Serrano-Plana J, Peterson RL, Ward TR. Artificial Metalloenzymes Based on the Biotin-Streptavidin Technology: Enzymatic Cascades and Directed Evolution. Acc Chem Res 2019; 52:585-595. [PMID: 30735358 PMCID: PMC6427477 DOI: 10.1021/acs.accounts.8b00618] [Citation(s) in RCA: 99] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
![]()
Artificial metalloenzymes (ArMs) result from
anchoring a metal-containing
moiety within a macromolecular scaffold (protein or oligonucleotide).
The resulting hybrid catalyst combines attractive features of both
homogeneous catalysts and enzymes. This strategy includes the possibility
of optimizing the reaction by both chemical (catalyst design) and
genetic means leading to achievement of a novel degree of (enantio)selectivity,
broadening of the substrate scope, or increased activity, among others.
In the past 20 years, the Ward group has exploited, among others,
the biotin–(strept)avidin technology to localize a catalytic
moiety within a well-defined protein environment. Streptavidin has
proven versatile for the implementation of ArMs as it offers the following
features: (i) it is an extremely robust protein scaffold, amenable
to extensive genetic manipulation and mishandling, (ii) it can be
expressed in E. coli to very high titers (up to >8
g·L–1 in fed-batch cultures), and (iii) the
cavity surrounding the biotinylated cofactor is commensurate with
the size of a typical metal-catalyzed transition state. Relying on
a chemogenetic optimization strategy, varying the orientation and
the nature of the biotinylated cofactor within genetically engineered
streptavidin, 12 reactions have been reported by the Ward group thus
far. Recent efforts within our group have focused on extending the
ArM technology to create complex systems for integration into biological
cascade reactions and in vivo. With the long-term
goal of complementing in vivo natural enzymes with
ArMs, we summarize herein three complementary
research lines: (i) With the aim of mimicking complex cross-regulation
mechanisms prevalent in metabolism, we have engineered enzyme cascades,
including cross-regulated reactions, that rely on ArMs. These efforts
highlight the remarkable (bio)compatibility and complementarity of
ArMs with natural enzymes. (ii) Additionally, multiple-turnover catalysis
in the cytoplasm of aerobic organisms was achieved with ArMs that
are compatible with a glutathione-rich environment. This feat is demonstrated
in HEK-293T cells that are engineered with a gene switch that is upregulated
by an ArM equipped with a cell-penetrating module. (iii) Finally,
ArMs offer the fascinating prospect of “endowing organometallic
chemistry with a genetic memory.” With this goal in mind, we
have identified E. coli’s periplasmic space
and surface display to compartmentalize an ArM, while maintaining
the critical phenotype–genotype linkage. This strategy offers
a straightforward means to optimize by directed evolution the catalytic
performance of ArMs. Five reactions have been optimized following
these compartmentalization strategies: ruthenium-catalyzed olefin
metathesis, ruthenium-catalyzed deallylation, iridium-catalyzed transfer
hydrogenation, dirhodium-catalyzed cyclopropanation and carbene insertion
in C–H bonds. Importantly, >100 turnovers were achieved
with
ArMs in E. coli whole cells, highlighting the multiple
turnover catalytic nature of these systems.
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Affiliation(s)
- Alexandria Deliz Liang
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Joan Serrano-Plana
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Ryan L. Peterson
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Thomas R. Ward
- Department of Chemistry, University of Basel, BPR1096, Mattenstrasse 24a, CH-4058 Basel, Switzerland
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77
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Hassan IS, Ta AN, Danneman MW, Semakul N, Burns M, Basch CH, Dippon VN, McNaughton BR, Rovis T. Asymmetric δ-Lactam Synthesis with a Monomeric Streptavidin Artificial Metalloenzyme. J Am Chem Soc 2019; 141:4815-4819. [PMID: 30865436 DOI: 10.1021/jacs.9b01596] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Reliable design of artificial metalloenzymes (ArMs) to access transformations not observed in nature remains a long-standing and important challenge. We report that a monomeric streptavidin (mSav) Rh(III) ArM permits asymmetric synthesis of α,β-unsaturated-δ-lactams via a tandem C-H activation and [4+2] annulation reaction. These products are readily derivatized to enantioenriched piperidines, the most common N-heterocycle found in FDA approved pharmaceuticals. Desired δ-lactams are achieved in yields as high as 99% and enantiomeric excess of 97% under aqueous conditions at room temperature. Embedding a Rh cyclopentadienyl (Cp*) catalyst in the active site of mSav results in improved stereocontrol and a 7-fold enhancement in reactivity relative to the isolated biotinylated Rh(III) cofactor. In addition, mSav-Rh outperforms its well-established tetrameric forms, displaying 11-33 times more reactivity.
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Affiliation(s)
- Isra S Hassan
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Angeline N Ta
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Michael W Danneman
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Natthawat Semakul
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Matthew Burns
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Corey H Basch
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Vanessa N Dippon
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Brian R McNaughton
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Tomislav Rovis
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
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78
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Abstract
Bioorthogonal nanocatalysts in the form of 'nanozymes', are promising tools for generating imaging and therapeutic molecules in living systems. These systems use transformations developed by synthetic chemists to effect transformations that cannot be performed by cellular machinery. This emerging platform is rapidly evolving towards the creation of smart nanodevices featuring the capabilities of their enzyme prototypes, modulating catalytic activity through structure as well as chemical and physical signals. Here we describe different strategies to fabricate these nanocatalysts and their potential in diagnostic and therapeutic applications.
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79
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Natoli SN, Hartwig JF. Noble-Metal Substitution in Hemoproteins: An Emerging Strategy for Abiological Catalysis. Acc Chem Res 2019; 52:326-335. [PMID: 30693758 DOI: 10.1021/acs.accounts.8b00586] [Citation(s) in RCA: 86] [Impact Index Per Article: 17.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Enzymes have evolved to catalyze a range of biochemical transformations with high efficiencies and unparalleled selectivities, including stereoselectivities, regioselectivities, chemoselectivities, and substrate selectivities, while typically operating under mild aqueous conditions. These properties have motivated extensive research to identify or create enzymes with reactivity that complements or even surpasses the reactivity of small-molecule catalysts for chemical reactions. One of the limitations preventing the wider use of enzymes in chemical synthesis, however, is the narrow range of bond constructions catalyzed by native enzymes. One strategy to overcome this limitation is to create artificial metalloenzymes (ArMs) that combine the molecular recognition of nature with the reactivity discovered by chemists. This Account describes a new approach for generating ArMs by the formal replacement of the natural iron found in the porphyrin IX (PIX) of hemoproteins with noble metals. Analytical techniques coupled with studies of chemical reactivity have demonstrated that expression of apomyoglobins and apocytochrome P450s (for which "apo-" denotes the cofactor-free protein) followed by reconstitution with metal-PIX cofactors in vitro creates proteins with little perturbation of the native structure, suggesting that the cofactors likely reside within the native active site. By means of this metal substitution strategy, a large number of ArMs have been constructed that contain varying metalloporphyrins and mutations of the protein. The studies discussed in this Account encompass the use of ArMs containing noble metals to catalyze a range of abiological transformations with high chemoselectivity, enantioselectivity, diastereoselectivity, and regioselectivity. These transformations include intramolecular and intermolecular insertion of carbenes into C-H, N-H, and S-H bonds, cyclopropanation of vinylarenes and of internal and nonconjugated alkenes, and intramolecular insertions of nitrenes into C-H bonds. The rates of intramolecular insertions into C-H bonds catalyzed by thermophilic P450 enzymes reconstituted with an Ir(Me)-PIX cofactor are now comparable to the rates of reactions catalyzed by native enzymes and, to date, 1000 times greater than those of any previously reported ArM. This reactivity also encompasses the selective intermolecular insertion of the carbene from ethyl diazoacetate into C-H bonds over dimerization of the carbene to form alkenes, a class of carbene insertion or selectivity not reported to occur with small-molecule catalysts. These combined results highlight the potential of well-designed ArMs to catalyze abiological transformations that have been challenging to achieve with any type of catalyst. The metal substitution strategy described herein should complement the reactivity of native enzymes and expand the scope of enzyme-catalyzed reactions.
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Affiliation(s)
- Sean N. Natoli
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - John F. Hartwig
- Division of Chemical Sciences, Lawrence Berkeley National Laboratory, and Department of Chemistry, University of California, Berkeley, California 94720, United States
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80
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Sabatino V, Ward TR. Aqueous olefin metathesis: recent developments and applications. Beilstein J Org Chem 2019; 15:445-468. [PMID: 30873229 PMCID: PMC6404410 DOI: 10.3762/bjoc.15.39] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/24/2019] [Indexed: 12/22/2022] Open
Abstract
Olefin metathesis is one of the most powerful C-C double-bond-forming reactions. Metathesis reactions have had a tremendous impact in organic synthesis, enabling a variety of applications in polymer chemistry, drug discovery and chemical biology. Although challenging, the possibility to perform aqueous metatheses has become an attractive alternative, not only because water is a more sustainable medium, but also to exploit biocompatible conditions. This review focuses on the progress made in aqueous olefin metatheses and their applications in chemical biology.
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Affiliation(s)
- Valerio Sabatino
- Department of Chemistry, University of Basel, Building 1096, Mattenstraße 24a, Biopark Rosental, 4058, Basel, Switzerland
| | - Thomas R Ward
- Department of Chemistry, University of Basel, Building 1096, Mattenstraße 24a, Biopark Rosental, 4058, Basel, Switzerland
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81
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Soldevila-Barreda JJ, Metzler-Nolte N. Intracellular Catalysis with Selected Metal Complexes and Metallic Nanoparticles: Advances toward the Development of Catalytic Metallodrugs. Chem Rev 2019; 119:829-869. [PMID: 30618246 DOI: 10.1021/acs.chemrev.8b00493] [Citation(s) in RCA: 120] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Platinum-containing drugs (e.g., cisplatin) are among the most frequently used chemotherapeutic agents. Their tremendous success has spurred research and development of other metal-based drugs, with notable achievements. Generally, the vast majority of metal-based drug candidates in clinical and developmental stages are stoichiometric agents, i.e., each metal complex reacts only once with their biological target. Additionally, many of these metal complexes are involved in side reactions, which not only reduce the effective amount of the drug but may also cause toxicity. On a separate note, transition metal complexes and nanoparticles have a well-established history of being potent catalysts for selective molecular transformations, with examples such as the Mo- and Ru-based catalysts for metathesis reactions (Nobel Prize in 2005) or palladium catalysts for C-C bond forming reactions such as Heck, Negishi, or Suzuki reactions (Nobel Prize in 2010). Also, notably, no direct biological equivalent of these transformations exists in a biological environment such as bacteria or mammalian cells. It is, therefore, only logical that recent interest has focused on developing transition-metal based catalytic systems that are capable of performing transformations inside cells, with the aim of inducing medicinally relevant cellular changes. Because unlike in stoichiometric reactions, a catalytically active compound may turn over many substrate molecules, only very small amounts of such a catalytic metallodrug are required to achieve a desired pharmacologic effect, and therefore, toxicity and side reactions are reduced. Furthermore, performing catalytic reactions in biological systems also opens the door for new methodologies to study the behavior of biomolecules in their natural state, e.g., via in situ labeling or by increasing/depleting their concentration at will. There is, of course, an art to the choice of catalysts and reactions which have to be compatible with biological conditions, namely an aqueous, oxygen-containing environment. In this review, we aim to describe new developments that bring together the far-distant worlds of transition-metal based catalysis and metal-based drugs, in what is termed "catalytic metallodrugs". Here we will focus on transformations that have been performed on small biomolecules (such as shifting equilibria like in the NAD+/NADH or GSH/GSSG couples), on non-natural molecules such as dyes for imaging purposes, or on biomacromolecules such as proteins. Neither reactions involving release (e.g., CO) or transformation of small molecules (e.g., 1O2 production), degradation of biomolecules such as proteins, RNA or DNA nor light-induced medicinal chemistry (e.g., photodynamic therapy) are covered, even if metal complexes are centrally involved in those. In each section, we describe the (inorganic) chemistry involved, as well as selected examples of biological applications in the hope that this snapshot of a new but quickly developing field will indeed inspire novel research and unprecedented interactions across disciplinary boundaries.
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Affiliation(s)
- Joan Josep Soldevila-Barreda
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr University Bochum , Universitätsstrasse 150 , 44780-D Bochum , Germany
| | - Nils Metzler-Nolte
- Inorganic Chemistry I-Bioinorganic Chemistry , Ruhr University Bochum , Universitätsstrasse 150 , 44780-D Bochum , Germany
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82
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Laureanti JA, Buchko GW, Katipamula S, Su Q, Linehan JC, Zadvornyy OA, Peters JW, O’Hagan M. Protein Scaffold Activates Catalytic CO2 Hydrogenation by a Rhodium Bis(diphosphine) Complex. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02615] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Joseph A. Laureanti
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Garry W. Buchko
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- School of Molecular Biosciences, Washington State University, Pullman, Washington 99164, United States
| | - Sriram Katipamula
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Qiwen Su
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - John C. Linehan
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Oleg A. Zadvornyy
- Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - John W. Peters
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
- Institute of Biological Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Molly O’Hagan
- Fundamental and Computational Sciences Directorate, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
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83
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Chan HCS, Pan L, Li Y, Yuan S. Rationalization of stereoselectivity in enzyme reactions. WILEY INTERDISCIPLINARY REVIEWS-COMPUTATIONAL MOLECULAR SCIENCE 2018. [DOI: 10.1002/wcms.1403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- H. C. Stephen Chan
- Faculty of Chemistry, Biological and Chemical Research Centre University of Warsaw Warszawa Poland
- Faculty of Life Sciences University of Bradford Bradford UK
| | - Lu Pan
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai China
| | - Yi Li
- Department of Neurology University of Southern California Los Angeles California
| | - Shuguang Yuan
- Faculty of Chemistry, Biological and Chemical Research Centre University of Warsaw Warszawa Poland
- Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne Lausanne Switzerland
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84
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Tang J, Yao P, Wang L, Bian H, Luo M, Huang F. Schiff base complex conjugates of bovine serum albumin as artificial metalloenzymes for eco-friendly enantioselective sulfoxidation. RSC Adv 2018; 8:40720-40730. [PMID: 35557885 PMCID: PMC9091609 DOI: 10.1039/c8ra07113f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Accepted: 11/23/2018] [Indexed: 11/21/2022] Open
Abstract
Artificial metalloenzymes (BSA-ML) have been prepared by non-covalent insertion of transition metal Schiff-base complexes, ML (L = 2-hydroxynaphthalen-1-naphthaldehyde and 3,4-diaminobenzenesulfonic acid; M = Co, Mn, V, Fe, Cr), into bovine serum albumin (BSA) as the host protein and were characterized by UV-visible spectroscopy, ESI-TOF mass spectrometry and molecular docking studies. The catalytic activities of the BSA-ML in the selective oxidation of various prochiral sulfides in aqueous media, using H2O2 as oxidant, have been evaluated. During the optimization process, pH and the concentrations of catalyst and oxidant were found to have a remarkable influence on both yield and enantioselectivity. In certain cases, BSA-ML gave satisfactory results in the oxidation of organic sulfides to sulfoxides (up to 100% conversion, 100% chemoselectivity, 96% ee and 500 h−1 turnover frequency). Artificial metalloenzymes have been prepared by non-covalent insertion of transition metal Schiff-base complexes into bovine serum albumin as the host protein and were characterized by UV-visible spectroscopy, ESI-TOF mass spectrometry and molecular docking studies.![]()
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Affiliation(s)
- Jie Tang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Key Laboratory of Chemistry and Engineering of Forest Products Nanning 530008 P. R. China .,State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University Guilin 541004 P. R. China .,Guilin Normal College Guilin 541001 P. R. China
| | - Pengfei Yao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University Guilin 541004 P. R. China
| | - Lina Wang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University Guilin 541004 P. R. China
| | - Hedong Bian
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Key Laboratory of Chemistry and Engineering of Forest Products Nanning 530008 P. R. China .,State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University Guilin 541004 P. R. China
| | - Meiyi Luo
- Guilin Normal College Guilin 541001 P. R. China
| | - Fuping Huang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy, Guangxi Normal University Guilin 541004 P. R. China
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85
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Siewert B, Langerman M, Pannwitz A, Bonnet S. Synthesis and Avidin Binding of Ruthenium Complexes Functionalized with a Light-Cleavable Free Biotin Moiety. Eur J Inorg Chem 2018; 2018:4117-4124. [PMID: 31031567 PMCID: PMC6473509 DOI: 10.1002/ejic.201800644] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Indexed: 01/01/2023]
Abstract
In this work the synthesis, photochemistry, and streptavidin interaction of new [Ru(tpy)(bpy)(SRR')](PF6)2 complexes where the R' group contains a free biotin ligand, are described. Two different ligands SRR' were investigated: An asymmetric ligand 1 where the Ru-bound thioether is a N-acetylmethionine moiety linked to the free biotin fragment via a triethylene glycol spacer and a symmetrical ligand 2 containing two identical biotin moieties. The coordination of these two ligands to the precursor [Ru(tpy)(bpy)Cl]Cl was studied in water at 80 °C. In such conditions the coordination of the asymmetric ligand 1 occurred under thermodynamic control. After the reaction, a mononuclear and a binuclear complex were isolated. In the mononuclear complex, the ratio of methionine- {[6](PF6)2} vs. biotin-bound {[7](PF6)2} regioisomer was 5.3 and the free biotin fragment of [6](PF6)2 allowed to purify it from its isomer [7](PF6)2 at small scales using avidin affinity chromatography. Coordination of the symmetrical ligand 2 afforded [Ru(tpy)(bpy)(2)](PF6)2 {[8](PF6)2} in synthetically useful scales (100 mg), good yield (82 %), and without traces of the binuclear impurity. In this complex, one of the biotin remains free whereas the second one is coordinated to ruthenium. Photochemical release of ligand 2 from [8](PF6)2 occurred upon blue light irradiation (465 nm) with a photosubstitution quantum yield of 0.011 that was independent of the binding of streptavidin to the free biotin ligand.
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Affiliation(s)
- Bianka Siewert
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 55233CCLeidenThe Netherlands
| | - Michiel Langerman
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 55233CCLeidenThe Netherlands
| | - Andrea Pannwitz
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 55233CCLeidenThe Netherlands
| | - Sylvestre Bonnet
- Leiden Institute of ChemistryLeiden UniversityEinsteinweg 55233CCLeidenThe Netherlands
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86
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Zhao J, Rebelein JG, Mallin H, Trindler C, Pellizzoni MM, Ward TR. Genetic Engineering of an Artificial Metalloenzyme for Transfer Hydrogenation of a Self-Immolative Substrate in Escherichia coli's Periplasm. J Am Chem Soc 2018; 140:13171-13175. [PMID: 30272972 DOI: 10.1021/jacs.8b07189] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Artificial metalloenzymes (ArMs), which combine an abiotic metal cofactor with a protein scaffold, catalyze various synthetically useful transformations. To complement the natural enzymes' repertoire, effective optimization protocols to improve ArM's performance are required. Here we report on our efforts to optimize the activity of an artificial transfer hydrogenase (ATHase) using Escherichia coli whole cells. For this purpose, we rely on a self-immolative quinolinium substrate which, upon reduction, releases fluorescent umbelliferone, thus allowing efficient screening. Introduction of a loop in the immediate proximity of the Ir-cofactor afforded an ArM with up to 5-fold increase in transfer hydrogenation activity compared to the wild-type ATHase using purified mutants.
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Affiliation(s)
- Jingming Zhao
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
| | - Johannes G Rebelein
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
| | - Hendrik Mallin
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
| | - Christian Trindler
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
| | - Michela M Pellizzoni
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
| | - Thomas R Ward
- Department of Chemistry , University of Basel , Mattenstrasse 24a, BPR 1096 , CH-4058 Basel , Switzerland
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87
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Nödling AR, Świderek K, Castillo R, Hall JW, Angelastro A, Morrill LC, Jin Y, Tsai Y, Moliner V, Luk LYP. Reactivity and Selectivity of Iminium Organocatalysis Improved by a Protein Host. Angew Chem Int Ed Engl 2018; 57:12478-12482. [PMID: 30027571 PMCID: PMC6531919 DOI: 10.1002/anie.201806850] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/18/2018] [Indexed: 12/23/2022]
Abstract
There has been growing interest in performing organocatalysis within a supramolecular system as a means of controlling reaction reactivity and stereoselectivity. Here, a protein is used as a host for iminium catalysis. A pyrrolidine moiety is covalently linked to biotin and introduced to the protein host streptavidin for organocatalytic activity. Whereas in traditional systems stereoselectivity is largely controlled by the substituents added to the organocatalyst, enantiomeric enrichment by the reported supramolecular system is completely controlled by the host. Also, the yield of the model reaction increases over 10-fold when streptavidin is included. A 1.1 Å crystal structure of the protein-catalyst complex and molecular simulations of a key intermediate reveal the chiral scaffold surrounding the organocatalytic reaction site. This work illustrates that proteins can be an excellent supramolecular host for driving stereoselective secondary amine organocatalysis.
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Affiliation(s)
| | - Katarzyna Świderek
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Raquel Castillo
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Jonathan W. Hall
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | | | - Louis C. Morrill
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Yi Jin
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Yu‐Hsuan Tsai
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
| | - Vicent Moliner
- Department de Química Física i AnalíticaUniversitat Jaume I12071CastellóSpain
| | - Louis Y. P. Luk
- School of Chemistry, Main BuildingCardiff UniversityCardiffCF10 3ATUK
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88
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Nödling AR, Świderek K, Castillo R, Hall JW, Angelastro A, Morrill LC, Jin Y, Tsai YH, Moliner V, Luk LYP. Reactivity and Selectivity of Iminium Organocatalysis Improved by a Protein Host. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806850] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
| | - Katarzyna Świderek
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Raquel Castillo
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Jonathan W. Hall
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Antonio Angelastro
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Louis C. Morrill
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Yi Jin
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Yu-Hsuan Tsai
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
| | - Vicent Moliner
- Department de Química Física i Analítica; Universitat Jaume I; 12071 Castelló Spain
| | - Louis Y. P. Luk
- School of Chemistry, Main Building; Cardiff University; Cardiff CF10 3AT UK
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89
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Raines DJ, Clarke JE, Blagova EV, Dodson EJ, Wilson KS, Duhme-Klair AK. Redox-switchable siderophore anchor enables reversible artificial metalloenzyme assembly. Nat Catal 2018. [DOI: 10.1038/s41929-018-0124-3] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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90
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Hyodo F, Sho T, Maity B, Fujita K, Tachibana Y, Akashi S, Mano M, Hishikawa Y, Matsuo M, Ueno T. Photoinduced in Vivo Magnetic Resonance Imaging (MRI) with Rapid CO Release from an MnCO‐Protein Needle Composite. Chemistry 2018; 24:11578-11583. [DOI: 10.1002/chem.201802445] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Fuminori Hyodo
- Innovation Center for Medical Redox NavigationKyushu University 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
- Department of radiologySchool of MedicineGifu University 1-1 Yanagido Gifu 501-1194 Japan
| | - Takeya Sho
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Basudev Maity
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Kenta Fujita
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Yoko Tachibana
- Innovation Center for Medical Redox NavigationKyushu University 3-1-1 Maidashi Higashi-ku Fukuoka 812-8582 Japan
| | - Satoko Akashi
- Graduate School of Medical Life ScienceYokohama City University 1-7-29 Suehiro-cho, Tsurumi-ku Yokohama Kanagawa 230-0045 Japan
| | - Megumi Mano
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Yuki Hishikawa
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
| | - Masayuki Matsuo
- Department of radiologySchool of MedicineGifu University 1-1 Yanagido Gifu 501-1194 Japan
| | - Takafumi Ueno
- School of Life Science and TechnologyTokyo Institute of Technology B55-4259 Nagatsuta-cho Midori-ku Yokohama 226-8501 Japan
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91
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Abstract
Directed evolution is a powerful technique for generating tailor-made enzymes for a wide range of biocatalytic applications. Following the principles of natural evolution, iterative cycles of mutagenesis and screening or selection are applied to modify protein properties, enhance catalytic activities, or develop completely new protein catalysts for non-natural chemical transformations. This review briefly surveys the experimental methods used to generate genetic diversity and screen or select for improved enzyme variants. Emphasis is placed on a key challenge, namely how to generate novel catalytic activities that expand the scope of natural reactions. Two particularly effective strategies, exploiting catalytic promiscuity and rational design, are illustrated by representative examples of successfully evolved enzymes. Opportunities for extending these approaches to more complex biocatalytic systems are also considered.
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Affiliation(s)
- Cathleen Zeymer
- Laboratory of Organic Chemistry, ETH Zürich, CH-8093 Zürich, Switzerland;,
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zürich, CH-8093 Zürich, Switzerland;,
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92
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Neri D, Lerner RA. DNA-Encoded Chemical Libraries: A Selection System Based on Endowing Organic Compounds with Amplifiable Information. Annu Rev Biochem 2018; 87:479-502. [PMID: 29328784 PMCID: PMC6080696 DOI: 10.1146/annurev-biochem-062917-012550] [Citation(s) in RCA: 265] [Impact Index Per Article: 44.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The discovery of organic ligands that bind specifically to proteins is a central problem in chemistry, biology, and the biomedical sciences. The encoding of individual organic molecules with distinctive DNA tags, serving as amplifiable identification bar codes, allows the construction and screening of combinatorial libraries of unprecedented size, thus facilitating the discovery of ligands to many different protein targets. Fundamentally, one links powers of genetics and chemical synthesis. After the initial description of DNA-encoded chemical libraries in 1992, several experimental embodiments of the technology have been reduced to practice. This review provides a historical account of important milestones in the development of DNA-encoded chemical libraries, a survey of relevant ongoing research activities, and a glimpse into the future.
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Affiliation(s)
- Dario Neri
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zürich, Switzerland;
| | - Richard A Lerner
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, USA;
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93
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Heinisch T, Schwizer F, Garabedian B, Csibra E, Jeschek M, Vallapurackal J, Pinheiro VB, Marlière P, Panke S, Ward TR. E. coli surface display of streptavidin for directed evolution of an allylic deallylase. Chem Sci 2018; 9:5383-5388. [PMID: 30079176 PMCID: PMC6048633 DOI: 10.1039/c8sc00484f] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 05/22/2018] [Indexed: 11/21/2022] Open
Abstract
Artificial metalloenzymes (ArMs hereafter) combine attractive features of both homogeneous catalysts and enzymes and offer the potential to implement new-to-nature reactions in living organisms. Herein we present an E. coli surface display platform for streptavidin (Sav hereafter) relying on an Lpp-OmpA anchor. The system was used for the high throughput screening of a bioorthogonal CpRu-based artificial deallylase (ADAse) that uncages an allylcarbamate-protected aminocoumarin 1. Two rounds of directed evolution afforded the double mutant S112M-K121A that displayed a 36-fold increase in surface activity vs. cellular background and a 5.7-fold increased in vitro activity compared to the wild type enzyme. The crystal structure of the best ADAse reveals the importance of mutation S112M to stabilize the cofactor conformation inside the protein.
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Affiliation(s)
- Tillmann Heinisch
- Department of Chemistry , University of Basel , Mattenstrasse 24a , Basel CH-4002 , Switzerland .
| | - Fabian Schwizer
- Department of Chemistry , University of Basel , Mattenstrasse 24a , Basel CH-4002 , Switzerland .
| | - Brett Garabedian
- Department of Chemistry , University of Basel , Mattenstrasse 24a , Basel CH-4002 , Switzerland .
| | - Eszter Csibra
- Institute of Structural and Molecular Biology , University College London , Gower Street , London , WC1E 6BT , UK
| | - Markus Jeschek
- Department of Biosystems Science and Engineering , ETH Zurich , Mattenstrasse 26 , Basel CH-4058 , Switzerland
| | - Jaicy Vallapurackal
- Department of Chemistry , University of Basel , Mattenstrasse 24a , Basel CH-4002 , Switzerland .
| | - Vitor B Pinheiro
- Institute of Structural and Molecular Biology , University College London , Gower Street , London , WC1E 6BT , UK
| | | | - Sven Panke
- Department of Biosystems Science and Engineering , ETH Zurich , Mattenstrasse 26 , Basel CH-4058 , Switzerland
| | - Thomas R Ward
- Department of Chemistry , University of Basel , Mattenstrasse 24a , Basel CH-4002 , Switzerland .
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94
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Okamoto Y, Kojima R, Schwizer F, Bartolami E, Heinisch T, Matile S, Fussenegger M, Ward TR. A cell-penetrating artificial metalloenzyme regulates a gene switch in a designer mammalian cell. Nat Commun 2018; 9:1943. [PMID: 29769518 PMCID: PMC5955986 DOI: 10.1038/s41467-018-04440-0] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 04/24/2018] [Indexed: 01/24/2023] Open
Abstract
Complementing enzymes in their native environment with either homogeneous or heterogeneous catalysts is challenging due to the sea of functionalities present within a cell. To supplement these efforts, artificial metalloenzymes are drawing attention as they combine attractive features of both homogeneous catalysts and enzymes. Herein we show that such hybrid catalysts consisting of a metal cofactor, a cell-penetrating module, and a protein scaffold are taken up into HEK-293T cells where they catalyze the uncaging of a hormone. This bioorthogonal reaction causes the upregulation of a gene circuit, which in turn leads to the expression of a nanoluc-luciferase. Relying on the biotin-streptavidin technology, variation of the biotinylated ruthenium complex: the biotinylated cell-penetrating poly(disulfide) ratio can be combined with point mutations on streptavidin to optimize the catalytic uncaging of an allyl-carbamate-protected thyroid hormone triiodothyronine. These results demonstrate that artificial metalloenzymes offer highly modular tools to perform bioorthogonal catalysis in live HEK cells.
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Affiliation(s)
- Yasunori Okamoto
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Ryosuke Kojima
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058, Basel, Switzerland.,Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Fabian Schwizer
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Eline Bartolami
- Department of Organic Chemistry, University of Geneva, CH-1211, Geneva, Switzerland
| | - Tillmann Heinisch
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, CH-1211, Geneva, Switzerland.
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH-4058, Basel, Switzerland.
| | - Thomas R Ward
- Department of Chemistry, University of Basel, Mattenstrasse 24a, BPR 1096, CH-4058, Basel, Switzerland.
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95
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Mann SI, Heinisch T, Ward TR, Borovik AS. Coordination chemistry within a protein host: regulation of the secondary coordination sphere. Chem Commun (Camb) 2018; 54:4413-4416. [PMID: 29645031 PMCID: PMC5942233 DOI: 10.1039/c8cc01931b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Secondary coordination spheres of metal complexes are instrumental in controlling properties that are linked to function. To study these effects in aqueous solutions artificial Cu proteins have been developed using biotin-streptavidin (Sav) technology and their binding of external azide ions investigated. Parallel binding studies were done in crystallo on single crystals of the artificial Cu proteins. Spectroscopic changes in solution are consistent with azide binding to the Cu centers. Structural studies corroborate that a Cu-N3 unit is present in each Sav subunit and reveal the composition of hydrogen bonding (H-bonding) networks that include the coordinated azido ligand. The networks involve amino acid residues and water molecules within the secondary coordination sphere. Mutation of these residues to ones that cannot form H-bonds caused a measurble change in the equilibrium binding constants that were measured in solution. These findings further demonstrate the utility of biotin-Sav technology to prepare water-stable inorganic complexes whose structures can be controlled within both primary and secondary coordination spheres.
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Affiliation(s)
- Samuel I Mann
- Department of Chemistry, 1102 Natural Science II, University of California, Irvine, CA 92697, USA.
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96
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Tanifuji K, Lee CC, Sickerman NS, Tatsumi K, Ohki Y, Hu Y, Ribbe MW. Tracing the 'ninth sulfur' of the nitrogenase cofactor via a semi-synthetic approach. Nat Chem 2018; 10:568-572. [PMID: 29662207 PMCID: PMC5910187 DOI: 10.1038/s41557-018-0029-4] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 02/16/2018] [Indexed: 11/23/2022]
Abstract
The M-cluster is the [(homocitrate)MoFe7S9C] active site of nitrogenase that is derived from an 8Fe core assembled via coupling and rearrangement of two [Fe4S4] clusters concomitant with the insertion of an interstitial carbon and a ‘9th sulfur’. Combining synthetic [Fe4S4] clusters with an assembly protein template, here we show that sulfite can give rise to the ‘9th sulfur’ that is incorporated in the catalytically important belt region of the cofactor after the radical SAM-dependent carbide insertion and the concurrent 8Fe-core rearrangement have already taken place. Based on the differential reactivity of the formed cluster species, we also propose a new [Fe8S8C] cluster intermediate, the L*-cluster, that is similar to the [Fe8S9C] L- cluster but lacks the ‘9th S’ from sulfite. This work provides a semi-synthetic tool for protein reconstitution that could be widely applicable for the functional analysis of other FeS systems.
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Affiliation(s)
- Kazuki Tanifuji
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Chi Chung Lee
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Nathaniel S Sickerman
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA
| | - Kazuyuki Tatsumi
- Department of Chemistry, Graduate School of Science and Research Center for Materials Science, Nagoya University, Nagoya, Japan
| | - Yasuhiro Ohki
- Department of Chemistry, Graduate School of Science and Research Center for Materials Science, Nagoya University, Nagoya, Japan
| | - Yilin Hu
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA.
| | - Markus W Ribbe
- Department of Molecular Biology and Biochemistry, University of California, Irvine, CA, USA. .,Department of Chemistry, University of California, Irvine, CA, USA.
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97
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Keller SG, Probst B, Heinisch T, Alberto R, Ward TR. Photo-Driven Hydrogen Evolution by an Artificial Hydrogenase Utilizing the Biotin-Streptavidin Technology. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201800036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sascha G. Keller
- Department of Chemistry; University of Basel; Mattenstrasse 24a 4002 Basel Switzerland
| | - Benjamin Probst
- Department of Chemistry; University of Zürich; Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Tillmann Heinisch
- Department of Chemistry; University of Basel; Mattenstrasse 24a 4002 Basel Switzerland
| | - Roger Alberto
- Department of Chemistry; University of Zürich; Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Thomas R. Ward
- Department of Chemistry; University of Basel; Mattenstrasse 24a 4002 Basel Switzerland
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98
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Olshansky L, Huerta-Lavorie R, Nguyen AI, Vallapurackal J, Furst A, Tilley TD, Borovik AS. Artificial Metalloproteins Containing Co 4O 4 Cubane Active Sites. J Am Chem Soc 2018; 140:2739-2742. [PMID: 29401385 PMCID: PMC5866047 DOI: 10.1021/jacs.7b13052] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Artificial metalloproteins (ArMs) containing Co4O4 cubane active sites were constructed via biotin-streptavidin technology. Stabilized by hydrogen bonds (H-bonds), terminal and cofacial CoIII-OH2 moieties are observed crystallographically in a series of immobilized cubane sites. Solution electrochemistry provided correlations of oxidation potential and pH. For variants containing Ser and Phe adjacent to the metallocofactor, 1e-/1H+ chemistry predominates until pH 8, above which the oxidation becomes pH-independent. Installation of Tyr proximal to the Co4O4 active site provided a single H-bond to one of a set of cofacial CoIII-OH2 groups. With this variant, multi-e-/multi-H+ chemistry is observed, along with a change in mechanism at pH 9.5 that is consistent with Tyr deprotonation. With structural similarities to both the oxygen-evolving complex of photosystem II (H-bonded Tyr) and to thin film water oxidation catalysts (Co4O4 core), these findings bridge synthetic and biological systems for water oxidation, highlighting the importance of secondary sphere interactions in mediating multi-e-/multi-H+ reactivity.
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Affiliation(s)
- Lisa Olshansky
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
| | - Raúl Huerta-Lavorie
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - Andy I Nguyen
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - Jaicy Vallapurackal
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
| | - Ariel Furst
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
| | - T Don Tilley
- Department of Chemistry, University of California, Berkeley , Berkeley, California 94720, United States
- Chemical Science Division, Lawrence Berkeley National Laboratory , Berkeley, California 94720, United States
| | - A S Borovik
- Department of Chemistry, University of California, Irvine , Irvine, California 92697, United States
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99
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Ohata J, Miller MK, Mountain CM, Vohidov F, Ball ZT. A Three‐Component Organometallic Tyrosine Bioconjugation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711868] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jun Ohata
- Department of Chemistry Rice University Houston TX 77005 USA
| | - Mary K. Miller
- Department of Chemistry Rice University Houston TX 77005 USA
| | | | - Farrukh Vohidov
- Department of Chemistry Rice University Houston TX 77005 USA
| | - Zachary T. Ball
- Department of Chemistry Rice University Houston TX 77005 USA
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100
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Ohata J, Miller MK, Mountain CM, Vohidov F, Ball ZT. A Three‐Component Organometallic Tyrosine Bioconjugation. Angew Chem Int Ed Engl 2018; 57:2827-2830. [DOI: 10.1002/anie.201711868] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 01/29/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Jun Ohata
- Department of Chemistry Rice University Houston TX 77005 USA
| | - Mary K. Miller
- Department of Chemistry Rice University Houston TX 77005 USA
| | | | - Farrukh Vohidov
- Department of Chemistry Rice University Houston TX 77005 USA
| | - Zachary T. Ball
- Department of Chemistry Rice University Houston TX 77005 USA
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