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Kariyawasam K, Ricoux R, Mahy JP. Recent advances in the field of artificial hemoproteins: New efficient eco-compatible biocatalysts for nitrene-, oxene- and carbene-transfer reactions. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424619300222] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In the last few years, the field of artificial hemoproteins has been expanding through two main strategies involving either the incorporation of synthetic metalloporphyrin derivatives into the chiral cavity of a protein or the directed evolution of natural hemoproteins such as myoglobin and cytochromes P450. First, various synthetic water-soluble porphyrins including ions of transition metals such as iron and manganese have been inserted covalently or by supramolecular anchoring into non-specifically designed native proteins or into proteins modified by a minimum number of mutations. The obtained artificial hemoproteins were able to catalyze oxene transfer reactions such as epoxidation of alkenes or sulfoxidation of sulfides and cyclopropanation reactions with good activities and moderate enantioselectivities. Recently, a second approach, based on the design of the active site of already existing native hemoproteins such as myoglobin and cytochromes P450 by directed evolution, has led to new artificial hemoproteins that are able to catalyze oxene transfer reactions with improved activities as well as with abiological reactions. This approach thus provided promising tools for the catalysis of reactions such as intramolecular or intermolecular carbene and nitrene transfer reactions with high efficiencies. In addition, in all cases, after a few rounds of mutagenesis, mutants that were able to catalyze those reactions with a high enantioselectivity could be obtained. Finally, several groups showed that these new artificial metalloenzymes could also be used for the preparative scale-production of compounds with an excellent enantioselectivity, opening new pathways for the industrial synthesis of compounds of pharmaceutical interest.
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Affiliation(s)
- Kalani Kariyawasam
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), UMR 8182 CNRS, Laboratoire de Chimie Bioorganique et Bioinorganique, Bât. 420, Université Paris-Sud, Université Paris Saclay, 91405 Orsay CEDEX, France
| | - Rémy Ricoux
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), UMR 8182 CNRS, Laboratoire de Chimie Bioorganique et Bioinorganique, Bât. 420, Université Paris-Sud, Université Paris Saclay, 91405 Orsay CEDEX, France
| | - Jean-Pierre Mahy
- Institut de Chimie Moléculaire et des Matériaux d’Orsay (ICMMO), UMR 8182 CNRS, Laboratoire de Chimie Bioorganique et Bioinorganique, Bât. 420, Université Paris-Sud, Université Paris Saclay, 91405 Orsay CEDEX, France
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Liu Y, You T, Wang HX, Tang Z, Zhou CY, Che CM. Iron- and cobalt-catalyzed C(sp3)–H bond functionalization reactions and their application in organic synthesis. Chem Soc Rev 2020; 49:5310-5358. [DOI: 10.1039/d0cs00340a] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights the developments in iron and cobalt catalyzed C(sp3)–H bond functionalization reactions with emphasis on their applications in organic synthesis, i.e. natural products and pharmaceuticals synthesis and/or modification.
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Affiliation(s)
- Yungen Liu
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- P. R. China
| | - Tingjie You
- Department of Chemistry
- State Key Laboratory of Synthetic Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
| | - Hai-Xu Wang
- Department of Chemistry
- State Key Laboratory of Synthetic Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
| | - Zhou Tang
- Department of Chemistry
- State Key Laboratory of Synthetic Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
| | - Cong-Ying Zhou
- Department of Chemistry
- State Key Laboratory of Synthetic Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
| | - Chi-Ming Che
- Department of Chemistry
- Southern University of Science and Technology
- Shenzhen
- P. R. China
- Department of Chemistry
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Goldberg NW, Knight AM, Zhang RK, Arnold FH. Nitrene Transfer Catalyzed by a Non-Heme Iron Enzyme and Enhanced by Non-Native Small-Molecule Ligands. J Am Chem Soc 2019; 141:19585-19588. [PMID: 31790588 DOI: 10.1021/jacs.9b11608] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Transition-metal catalysis is a powerful tool for the construction of chemical bonds. Here we show that Pseudomonas savastanoi ethylene-forming enzyme, a non-heme iron enzyme, can catalyze olefin aziridination and nitrene C-H insertion, and that these activities can be improved by directed evolution. The non-heme iron center allows for facile modification of the primary coordination sphere by addition of metal-coordinating molecules, enabling control over enzyme activity and selectivity using small molecules.
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Lapuh MI, Dana A, Di Chenna PH, Darses B, Durán FJ, Dauban P. Late-stage C-H amination of abietane diterpenoids. Org Biomol Chem 2019; 17:4736-4746. [PMID: 30900700 DOI: 10.1039/c9ob00272c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This study aims at highlighting the synthetic versatility of the rhodium-catalyzed C-H amination reactions using iodine(iii) oxidants for the late-stage functionalization of natural products. Inter- and intramolecular nitrene insertions have been performed from various abietane diterpenoids, leading to the amination of the C-3, C-6, C-7, C-11 and C-15 positions. Ca. 20 aminated compounds have been isolated with yields of up to 86% and high levels of regio-, chemo- and stereoselectivities.
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Affiliation(s)
- María Ivana Lapuh
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198 Gif-sur-Yvette, France.
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Sabenya G, Gamba I, Gómez L, Clémancey M, Frisch JR, Klinker EJ, Blondin G, Torelli S, Que L, Martin-Diaconescu V, Latour JM, Lloret-Fillol J, Costas M. Octahedral iron(iv)-tosylimido complexes exhibiting single electron-oxidation reactivity. Chem Sci 2019; 10:9513-9529. [PMID: 32055323 PMCID: PMC6979323 DOI: 10.1039/c9sc02526j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 08/17/2019] [Indexed: 11/28/2022] Open
Abstract
High valent iron species are very reactive molecules involved in oxidation reactions of relevance to biology and chemical synthesis. Herein we describe iron(iv)-tosylimido complexes [FeIV(NTs)(MePy2tacn)](OTf)2 (1(IV)[double bond, length as m-dash]NTs) and [FeIV(NTs)(Me2(CHPy2)tacn)](OTf)2 (2(IV)[double bond, length as m-dash]NTs), (MePy2tacn = N-methyl-N,N-bis(2-picolyl)-1,4,7-triazacyclononane, and Me2(CHPy2)tacn = 1-(di(2-pyridyl)methyl)-4,7-dimethyl-1,4,7-triazacyclononane, Ts = Tosyl). 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs are rare examples of octahedral iron(iv)-imido complexes and are isoelectronic analogues of the recently described iron(iv)-oxo complexes [FeIV(O)(L)]2+ (L = MePy2tacn and Me2(CHPy2)tacn, respectively). 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs are metastable and have been spectroscopically characterized by HR-MS, UV-vis, 1H-NMR, resonance Raman, Mössbauer, and X-ray absorption (XAS) spectroscopy as well as by DFT computational methods. Ferric complexes [FeIII(HNTs)(L)]2+, 1(III)-NHTs (L = MePy2tacn) and 2(III)-NHTs (L = Me2(CHPy2)tacn) have been isolated after the decay of 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs in solution, spectroscopically characterized, and the molecular structure of [FeIII(HNTs)(MePy2tacn)](SbF6)2 determined by single crystal X-ray diffraction. Reaction of 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs with different p-substituted thioanisoles results in the transfer of the tosylimido moiety to the sulphur atom producing sulfilimine products. In these reactions, 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs behave as single electron oxidants and Hammett analyses of reaction rates evidence that tosylimido transfer is more sensitive than oxo transfer to charge effects. In addition, reaction of 1(IV)[double bond, length as m-dash]NTs and 2(IV)[double bond, length as m-dash]NTs with hydrocarbons containing weak C-H bonds results in the formation of 1(III)-NHTs and 2(III)-NHTs respectively, along with the oxidized substrate. Kinetic analyses indicate that reactions proceed via a mechanistically unusual HAT reaction, where an association complex precedes hydrogen abstraction.
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Affiliation(s)
- Gerard Sabenya
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
| | - Ilaria Gamba
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
| | - Laura Gómez
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
| | - Martin Clémancey
- Univ. Grenoble-Alpes , CNRS , CEA , IRIG , DIESE , CBM , Grenoble 38000 , France
| | - Jonathan R Frisch
- Department of Chemistry , University of Minnesota , Pleasant Str 207 , Minneapolis , Minnesota , USA
| | - Eric J Klinker
- Department of Chemistry , University of Minnesota , Pleasant Str 207 , Minneapolis , Minnesota , USA
| | - Geneviève Blondin
- Univ. Grenoble-Alpes , CNRS , CEA , IRIG , DIESE , CBM , Grenoble 38000 , France
| | - Stéphane Torelli
- Univ. Grenoble-Alpes , CNRS , CEA , IRIG , DIESE , CBM , Grenoble 38000 , France
| | - Lawrence Que
- Department of Chemistry , University of Minnesota , Pleasant Str 207 , Minneapolis , Minnesota , USA
| | - Vlad Martin-Diaconescu
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
- Institute of Chemical Research of Catalonia (ICIQ) , The Barcelona Institute of Science and Technology , Avinguda Països Catalans 16 , 43007 Tarragona , Spain .
| | - Jean-Marc Latour
- Univ. Grenoble-Alpes , CNRS , CEA , IRIG , DIESE , CBM , Grenoble 38000 , France
| | - Julio Lloret-Fillol
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
- 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
| | - Miquel Costas
- Institut de Química Computacional i Catàlisi (IQCC) , Departament de Química , Universitat de Girona , Campus Montilivi , E17071 Girona , Spain .
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Abstract
On the occasion of Professor Frances H. Arnold's recent acceptance of the 2018 Nobel Prize in Chemistry, we honor her numerous contributions to the fields of directed evolution and biocatalysis. Arnold pioneered the development of directed evolution methods for engineering enzymes as biocatalysts. Her highly interdisciplinary research has provided a ground not only for understanding the mechanisms of enzyme evolution but also for developing commercially viable enzyme biocatalysts and biocatalytic processes. In this Account, we highlight some of her notable contributions in the past three decades in the development of foundational directed evolution methods and their applications in the design and engineering of enzymes with desired functions for biocatalysis. Her work has created a paradigm shift in the broad catalysis field.
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Affiliation(s)
- Rudi Fasan
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - S. B. Jennifer Kan
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Huimin Zhao
- Departments of Chemical and Biomolecular Engineering, Chemistry, and Biochemistry, Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
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Chen MW, Mao X, Ji Y, Yuan J, Deng Z, Peng Y. Synthesis of chiral quaternary fluorinated cyclic sulfamidates via palladium-catalyzed arylation with arylboronic acids. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.151280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Yang Y, Cho I, Qi X, Liu P, Arnold FH. An enzymatic platform for the asymmetric amination of primary, secondary and tertiary C(sp 3)-H bonds. Nat Chem 2019; 11:987-993. [PMID: 31611634 PMCID: PMC6998391 DOI: 10.1038/s41557-019-0343-5] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Accepted: 08/15/2019] [Indexed: 01/22/2023]
Abstract
The ability to selectively functionalize ubiquitous C-H bonds streamlines the construction of complex molecular architectures from easily available precursors. Here we report enzyme catalysts derived from a cytochrome P450 that use a nitrene transfer mechanism for the enantioselective amination of primary, secondary and tertiary C(sp3)-H bonds. These fully genetically encoded enzymes are produced and function in bacteria, where they can be optimized by directed evolution for a broad spectrum of enantioselective C(sp3)-H amination reactions. These catalysts can aminate a variety of benzylic, allylic and aliphatic C-H bonds in excellent enantioselectivity with access to either antipode of product. Enantioselective amination of primary C(sp3)-H bonds in substrates that bear geminal dimethyl substituents furnished chiral amines that feature a quaternary stereocentre. Moreover, these enzymes enabled the enantioconvergent transformation of racemic substrates that possess a tertiary C(sp3)-H bond to afford products that bear a tetrasubstituted stereocentre, a process that has eluded small-molecule catalysts. Further engineering allowed for the enantioselective construction of methyl-ethyl stereocentres, which is notoriously challenging in asymmetric catalysis.
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Affiliation(s)
- Yang Yang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Inha Cho
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Xiaotian Qi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Frances H Arnold
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, USA.
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Synthesis, 3D-structure and stability analyses of NRPa-308, a new promising anti-cancer agent. Bioorg Med Chem Lett 2019; 29:126710. [PMID: 31699610 DOI: 10.1016/j.bmcl.2019.126710] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 09/17/2019] [Indexed: 12/11/2022]
Abstract
We report herein the synthesis of a newly described anti-cancer agent, NRPa-308. This compound antagonizes Neuropilin-1, a multi-partners transmembrane receptor overexpressed in numerous tumors, and thereby validated as promising target in oncology. The preparation of NRPa-308 proved challenging because of the orthogonality of the amide and sulphonamide bonds formation. Nevertheless, we succeeded a gram scale synthesis, according to an expeditious three steps route, without intermediate purification. This latter point is of utmost interest in reducing the ecologic impact and production costs in the perspective of further scale-up processes. The purity of NRPa-308 has been attested by means of conventional structural analyses and its crystallisation allowed a structural assessment by X-Ray diffraction. We also reported the remarkable chemical stability of this molecule in acidic, neutral and basic aqueous media. Eventually, we observed for the first time the accumulation of NRPa-308 in two types of human breast cancer cells MDA-MB231 and BT549.
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61
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Schmitz LM, Rosenthal K, Lütz S. Recent advances in heme biocatalysis engineering. Biotechnol Bioeng 2019; 116:3469-3475. [PMID: 31483477 DOI: 10.1002/bit.27156] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 07/17/2019] [Accepted: 08/29/2019] [Indexed: 01/13/2023]
Abstract
Heme enzymes have the potential to be widely used as biocatalysts due to their capability to perform a vast variety of oxidation reactions. In spite of their versatility, the application of heme enzymes was long time-limited for the industry due to their low activity and stability in large scale processes. The identification of novel natural biocatalysts and recent advances in protein engineering have led to new reactions with a high application potential. The latest creation of a serine-ligated mutant of BM3 showed an efficient transfer of reactive carbenes into C═C bonds of olefins reaching total turnover numbers of more than 60,000 and product titers of up to 27 g/L-1 . This prominent example shows that heme enzymes are becoming competitive to chemical syntheses while being already advantageous in terms of high yield, regioselectivity, stereoselectivity and environmentally friendly reaction conditions. Advances in reactor concepts and the influencing parameters on reaction performance are also under investigation resulting in improved productivities and increased stability of the heme biocatalytic systems. In this mini review, we briefly present the latest advancements in the field of heme enzymes towards increased reaction scope and applicability.
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Affiliation(s)
- Lisa Marie Schmitz
- Department of Biochemical and Chemical Engineering, TU Dortmund University, Dortmund, Germany
| | - Katrin Rosenthal
- Department of Biochemical and Chemical Engineering, TU Dortmund University, Dortmund, Germany
| | - Stephan Lütz
- Department of Biochemical and Chemical Engineering, TU Dortmund University, Dortmund, Germany
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Brandenberg OF, Miller DC, Markel U, Ouald Chaib A, Arnold FH. Engineering Chemoselectivity in Hemoprotein-Catalyzed Indole Amidation. ACS Catal 2019; 9:8271-8275. [PMID: 31938573 DOI: 10.1021/acscatal.9b02508] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Here we report a cytochrome P450 variant that catalyzes C2-amidation of 1-methylindoles with tosyl azide via nitrene transfer. Before evolutionary optimization the enzyme exhibited two undesired side reactivities resulting in reduction of the putative iron-nitrenoid intermediate or cycloaddition between the two substrates to form triazole products. We speculated that triazole formation was a promiscuous cycloaddition activity of the P450 heme domain, while sulfonamide formation likely arose from surplus electron transfer from the reductase domain. Directed evolution involving mutagenesis of both the heme and reductase domains delivered an enzyme providing the desired indole amidation products with up to 8400 turnovers, 90% yield, and a shift in chemoselectivity from 2:19:1 to 110:12:1 in favor of nitrene transfer over reduction or triazole formation. This work expands the substrate scope of hemoprotein nitrene transferases to heterocycles and highlights the adaptability of the P450 scaffold to solve challenging chemoselectivity problems in non-natural enzymatic catalysis.
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Affiliation(s)
- Oliver F. Brandenberg
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - David C. Miller
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Ulrich Markel
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Anissa Ouald Chaib
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
| | - Frances H. Arnold
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, United States
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63
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Arnold FH. Innovation durch Evolution: Wie man neue Chemie zum Leben erweckt (Nobel‐Vortrag). Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907729] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Arnold FH. Innovation by Evolution: Bringing New Chemistry to Life (Nobel Lecture). Angew Chem Int Ed Engl 2019; 58:14420-14426. [PMID: 31433107 DOI: 10.1002/anie.201907729] [Citation(s) in RCA: 215] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Indexed: 12/21/2022]
Abstract
The directed evolution of enzymes is now routinely used to develop new catalysts with various applications, such as in environmentally friendly production of chemicals and renewable fuels. In her Nobel lecture, F. Arnold describes how lessons from nature inspired the development of methods for directed evolution.
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65
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Hakey BM, Darmon JM, Akhmedov NG, Petersen JL, Milsmann C. Reactivity of Pyridine Dipyrrolide Iron(II) Complexes with Organic Azides: C–H Amination and Iron Tetrazene Formation. Inorg Chem 2019; 58:11028-11042. [PMID: 31364852 DOI: 10.1021/acs.inorgchem.9b01560] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Brett M. Hakey
- C. Eugene Bennett Department of Chemistry, West Virginia University, 100 Prospect Street, Morgantown, West Virginia 26506, United States
| | - Jonathan M. Darmon
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Novruz G. Akhmedov
- C. Eugene Bennett Department of Chemistry, West Virginia University, 100 Prospect Street, Morgantown, West Virginia 26506, United States
| | - Jeffrey L. Petersen
- C. Eugene Bennett Department of Chemistry, West Virginia University, 100 Prospect Street, Morgantown, West Virginia 26506, United States
| | - Carsten Milsmann
- C. Eugene Bennett Department of Chemistry, West Virginia University, 100 Prospect Street, Morgantown, West Virginia 26506, United States
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66
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Chen J, Kong F, Ma N, Zhao P, Liu C, Wang X, Cong Z. Peroxide-Driven Hydroxylation of Small Alkanes Catalyzed by an Artificial P450BM3 Peroxygenase System. ACS Catal 2019. [DOI: 10.1021/acscatal.9b02507] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Jie Chen
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fanhui Kong
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
| | - Nana Ma
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Panxia Zhao
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chuanfei Liu
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
| | - Xiling Wang
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
| | - Zhiqi Cong
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong 266101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Zhong D, Wu D, Zhang Y, Lu Z, Usman M, Liu W, Lu X, Liu WB. Synthesis of Sultams and Cyclic N-Sulfonyl Ketimines via Iron-Catalyzed Intramolecular Aliphatic C-H Amidation. Org Lett 2019; 21:5808-5812. [PMID: 31298868 DOI: 10.1021/acs.orglett.9b01732] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Cyclic sulfonamides (sultams) play a unique role in drug discovery and synthetic chemistry. A direct synthesis of sultams by an intramolecular C(sp3)-H amidation reaction using an iron complex in situ derived from Fe(ClO4)2 and aminopyridine ligand is reported. This strategy features a readily available catalyst and tolerates a broad variety of substrates as demonstrated by 22 examples (up to 89% yield). A one-pot iron-catalyzed amidation/oxidation procedure for the synthesis of cyclic N-sulfonyl ketimines is also realized with up to 92% yield (eight examples). The synthetic utility of the method is validated by a gram-scale reaction and derivatization of the products to ring-fused sultams.
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Affiliation(s)
- Dayou Zhong
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Di Wu
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Yan Zhang
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Zhiwu Lu
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Muhammad Usman
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Wei Liu
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China
| | - Xiuqiang Lu
- Fuqing Branch of Fujian Normal University , Fuzhou 350300 , Fujian , China
| | - Wen-Bo Liu
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , China.,Sauvage Center for Molecular Sciences , Wuhan University , Wuhan 430072 , Hubei , China
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68
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Scamp RJ, Scheffer B, Schomaker JM. Regioselective differentiation of vicinal methylene C-H bonds enabled by silver-catalysed nitrene transfer. Chem Commun (Camb) 2019; 55:7362-7365. [PMID: 31173000 PMCID: PMC6613557 DOI: 10.1039/c9cc04006d] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Silver-catalyzed nitrene insertion enables the formation of benzosultams in good yield and with regioselectivity complementary to other transition metal nitrene-transfer catalysts. Preferential formation of six-membered benzosultam rings predominates for alkyl-substituted benzenesulphonamide precursors. Ligand-controlled tunability is also achieved for benzenesulphonamides with γ-branched alkyl substituents. Mechanistic probes suggest that the reaction pathway differs depending on whether a α (benzylic) or β (homobenzylic) C-H bond undergoes amidation, as well as the catalyst identity.
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Affiliation(s)
- Ryan J Scamp
- Department of Chemistry, Yale University, 275 Prospect St., New Haven, CT 06511, USA
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69
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Nasrallah A, Boquet V, Hecker A, Retailleau P, Darses B, Dauban P. Catalytic Enantioselective Intermolecular Benzylic C(sp
3
)−H Amination. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902882] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ali Nasrallah
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Vincent Boquet
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Alexandra Hecker
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
| | - Benjamin Darses
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
- Université Grenoble Alpes Département de Chimie Moléculaire, CNRS UMR-5250 38058 Grenoble France
| | - Philippe Dauban
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301 Univ. Paris-Sud, Université Paris-Saclay 1, av. de la Terrasse 91198 Gif-sur-Yvette France
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70
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Nasrallah A, Boquet V, Hecker A, Retailleau P, Darses B, Dauban P. Catalytic Enantioselective Intermolecular Benzylic C(sp 3 )-H Amination. Angew Chem Int Ed Engl 2019; 58:8192-8196. [PMID: 30968491 DOI: 10.1002/anie.201902882] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Indexed: 11/11/2022]
Abstract
A practical general method for asymmetric intermolecular benzylic C(sp3 )-H amination has been developed by combining the pentafluorobenzyl sulfamate PfbsNH2 with the chiral rhodium(II) catalyst Rh2 (S-tfptad)4 . Various substrates can be used as limiting components and converted to benzylic amines with excellent yields and high levels of enantioselectivity. Additional key features for the reaction are the low catalyst loading and the ability to remove the Pfbs group under mild conditions to give NH-free benzylic amines.
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Affiliation(s)
- Ali Nasrallah
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Vincent Boquet
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Alexandra Hecker
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France
| | - Benjamin Darses
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France.,Université Grenoble Alpes, Département de Chimie Moléculaire, CNRS UMR-5250, 38058, Grenoble, France
| | - Philippe Dauban
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301, Univ. Paris-Sud, Université Paris-Saclay, 1, av. de la Terrasse, 91198, Gif-sur-Yvette, France
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71
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Moore EJ, Fasan R. Effect of proximal ligand substitutions on the carbene and nitrene transferase activity of myoglobin. Tetrahedron 2019; 75:2357-2363. [PMID: 31133770 PMCID: PMC6534480 DOI: 10.1016/j.tet.2019.03.009] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Engineered myoglobins were recently shown to be effective catalysts for abiological carbene and nitrene transfer reactions. Here, we investigated the impact of substituting the conserved heme-coordinating histidine residue with both proteinogenic (Cys, Ser, Tyr, Asp) and non-proteinogenic Lewis basic amino acids (3-(3'-pyridyl)-alanine, p-aminophenylalanine, and β-(3-thienyl)-alanine), on the reactivity of this metalloprotein toward these abiotic transformations. These studies showed that mutation of the proximal histidine residue with both natural and non-natural amino acids result in stable myoglobin variants that can function as both carbene and nitrene transferases. In addition, substitution of the proximal histidine with an aspartate residue led to a myoglobin-based catalyst capable of promoting stereoselective olefin cyclopropanation under nonreducing conditions. Overall, these studies demonstrate that proximal ligand substitution provides a promising strategy to tune the reactivity of myoglobin-based carbene and nitrene transfer catalysts and provide a first, proof-of-principle demonstration of the viability of pyridine-, thiophene-, and aniline-based unnatural amino acids for metalloprotein engineering.
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Affiliation(s)
- Eric J Moore
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States.
| | - Rudi Fasan
- Department of Chemistry, University of Rochester, Rochester, NY 14627, United States.
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72
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Ding Y, Zhang SY, Chen YC, Fan SX, Tian JS, Loh TP. Regioselective C–H Amidation of (Alkyl)arenes by Iron(II) Catalysis. Org Lett 2019; 21:2736-2739. [DOI: 10.1021/acs.orglett.9b00697] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yao Ding
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Shen-Yuan Zhang
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Yu-Chen Chen
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Shuai-Xin Fan
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Jie-Sheng Tian
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Teck-Peng Loh
- Institute of Advanced Synthesis (IAS), School of Chemistry and Molecular Engineering (SCME), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
- Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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73
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Affiliation(s)
- Ritesh Singh
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER-Raebareli), Bijnor-Sisendi Road, Sarojini
Nagar, Near CRPF Base Camp, Lucknow, Uttar Pradesh 226002, India
| | - Anirban Mukherjee
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research (NIPER-Raebareli), Bijnor-Sisendi Road, Sarojini
Nagar, Near CRPF Base Camp, Lucknow, Uttar Pradesh 226002, India
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74
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Selective hydroxylation of 1,8- and 1,4-cineole using bacterial P450 variants. Arch Biochem Biophys 2019; 663:54-63. [DOI: 10.1016/j.abb.2018.12.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/24/2018] [Accepted: 12/21/2018] [Indexed: 01/10/2023]
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75
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Reetz MT. Directed Evolution of Artificial Metalloenzymes: A Universal Means to Tune the Selectivity of Transition Metal Catalysts? Acc Chem Res 2019; 52:336-344. [PMID: 30689339 DOI: 10.1021/acs.accounts.8b00582] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Transition metal catalysts mediate a wide variety of chemo-, stereo-, and regioselective transformations, and therefore play a pivotal role in modern synthetic organic chemistry. Steric and electronic effects of ligands provide organic chemists with an exceedingly useful tool. More than four decades ago, chemists began to think about a different approach, namely, embedding achiral ligand/metal moieties covalently or noncovalently in protein hosts with formation of artificial metalloenzymes. While structurally fascinating, this approach led in each case only to a single (bio)catalyst, with its selectivity and activity being a matter of chance. In order to solve this fundamental problem, my group proposed in 2000-2002 the idea of directed evolution of artificial metalloenzymes. In earlier studies, we had already demonstrated that directed evolution of enzymes constitutes a viable method for enhancing and inverting the stereoselectivity of enzymes as catalysts in organic chemistry. We speculated that it should also be possible to manipulate selectivity and activity of artificial metalloenzymes, which would provide organic chemists with a tool for optimizing essentially any transition metal catalyzed reaction type. In order to put this vision into practice, we first turned to the Whitesides system for artificial metalloenzyme formation, comprising a biotinylated diphosphine/Rh moiety, which is anchored noncovalently to avidin or streptavidin. Following intensive optimization, proof of principle was finally demonstrated in 2006, which opened the door to a new research area. This personal Account critically assesses these early studies as well as subsequent efforts from my group focusing on different protein scaffolds, and includes briefly some of the most important current contributions of other groups. Two primary messages emerge: First, since organic chemists continue to be extremely good at designing and implementing man-made transition metal catalysts, often on a large scale, those scientists that are active in the equally intriguing field of directed evolution of artificial metalloenzymes should be moderate when generalizing claims. All factors required for a truly viable catalytic system need to be considered, especially activity and ease of upscaling. Second, the most exciting and thus far very rare cases of directed evolution of artificial metalloenzymes are those that focus on selective transformations that are not readily possible using state of the art transition metal catalysts.
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Affiliation(s)
- Manfred T. Reetz
- Chemistry Department, Philipps-University, Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim Germany
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76
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Cho I, Prier CK, Jia Z, Zhang RK, Görbe T, Arnold FH. Enantioselective Aminohydroxylation of Styrenyl Olefins Catalyzed by an Engineered Hemoprotein. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812968] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Inha Cho
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
| | - Christopher K. Prier
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
- Current address: Merck Research Laboratories, Merck & Co. P.O. Box 2000 Rahway NJ 07065 USA
| | - Zhi‐Jun Jia
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
| | - Ruijie K. Zhang
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
| | - Tamás Görbe
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
- Current address: School of Engineering Sciences in Chemistry Biotechnology, and Health KTH Royal Institute of Technology, Science for Life Laboratory 23 Tomtebodavägen 17165 Solna Sweden
| | - Frances H. Arnold
- Division of Chemistry and Chemical Engineering MC 210-41 California Institute of Technology 1200 East California Blvd Pasadena CA 91125 USA
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77
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Cho I, Prier CK, Jia ZJ, Zhang RK, Görbe T, Arnold FH. Enantioselective Aminohydroxylation of Styrenyl Olefins Catalyzed by an Engineered Hemoprotein. Angew Chem Int Ed Engl 2019; 58:3138-3142. [PMID: 30600873 DOI: 10.1002/anie.201812968] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Indexed: 12/14/2022]
Abstract
Chiral 1,2-amino alcohols are widely represented in biologically active compounds from neurotransmitters to antivirals. While many synthetic methods have been developed for accessing amino alcohols, the direct aminohydroxylation of alkenes to unprotected, enantioenriched amino alcohols remains a challenge. Using directed evolution, we have engineered a hemoprotein biocatalyst based on a thermostable cytochrome c that directly transforms alkenes to amino alcohols with high enantioselectivity (up to 2500 TTN and 90 % ee) under anaerobic conditions with O-pivaloylhydroxylamine as an aminating reagent. The reaction is proposed to proceed via a reactive iron-nitrogen species generated in the enzyme active site, enabling tuning of the catalyst's activity and selectivity by protein engineering.
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Affiliation(s)
- Inha Cho
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA
| | - Christopher K Prier
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA.,Current address: Merck Research Laboratories, Merck & Co., P.O. Box 2000, Rahway, NJ, 07065, USA
| | - Zhi-Jun Jia
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA
| | - Ruijie K Zhang
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA
| | - Tamás Görbe
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA.,Current address: School of Engineering Sciences in Chemistry, Biotechnology, and Health, KTH Royal Institute of Technology, Science for Life Laboratory 23, Tomtebodavägen, 17165, Solna, Sweden
| | - Frances H Arnold
- Division of Chemistry and Chemical Engineering MC 210-41, California Institute of Technology, 1200 East California Blvd, Pasadena, CA, 91125, USA
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78
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Zhou Z, Chen S, Qin J, Nie X, Zheng X, Harms K, Riedel R, Houk KN, Meggers E. Catalytic Enantioselective Intramolecular C(sp
3
)−H Amination of 2‐Azidoacetamides. Angew Chem Int Ed Engl 2019; 58:1088-1093. [DOI: 10.1002/anie.201811927] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/26/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Zijun Zhou
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Shuming Chen
- Department of Chemistry and BiochemistryUniversity of California Los Angeles CA 90095-1569 USA
| | - Jie Qin
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Xin Nie
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Xingwen Zheng
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Klaus Harms
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Radostan Riedel
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - K. N. Houk
- Department of Chemistry and BiochemistryUniversity of California Los Angeles CA 90095-1569 USA
| | - Eric Meggers
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
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79
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Anderson CM, Aboelenen AM, Jensen MP. Competitive Intramolecular Amination as a Clock for Iron-Catalyzed Nitrene Transfer. Inorg Chem 2019; 58:1107-1119. [DOI: 10.1021/acs.inorgchem.8b02284] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Caitlin M. Anderson
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
| | - Ahmed M. Aboelenen
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
| | - Michael P. Jensen
- Department of Chemistry and Biochemistry, Ohio University, Athens, Ohio 45701, United States
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80
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Pickl M, Kurakin S, Cantú Reinhard FG, Schmid P, Pöcheim A, Winkler CK, Kroutil W, de Visser SP, Faber K. Mechanistic Studies of Fatty Acid Activation by CYP152 Peroxygenases Reveal Unexpected Desaturase Activity. ACS Catal 2019; 9:565-577. [PMID: 30637174 PMCID: PMC6323616 DOI: 10.1021/acscatal.8b03733] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 12/04/2018] [Indexed: 02/05/2023]
Abstract
![]()
The
majority of cytochrome P450 enzymes (CYPs) predominantly operate
as monooxygenases, but recently a class of P450 enzymes was discovered,
that can act as peroxygenases (CYP152). These enzymes convert fatty
acids through oxidative decarboxylation, yielding terminal alkenes,
and through α- and β-hydroxylation to yield hydroxy-fatty
acids. Bioderived olefins may serve as biofuels, and hence understanding
the mechanism and substrate scope of this class of enzymes is important.
In this work, we report on the substrate scope and catalytic promiscuity
of CYP OleTJE and two of its orthologues from the CYP152
family, utilizing α-monosubstituted branched carboxylic acids.
We identify α,β-desaturation as an unexpected dominant
pathway for CYP OleTJE with 2-methylbutyric acid. To rationalize
product distributions arising from α/β-hydroxylation,
oxidative decarboxylation, and desaturation depending on the substrate’s
structure and binding pattern, a computational study was performed
based on an active site complex of CYP OleTJE containing
the heme cofactor in the substrate binding pocket and 2-methylbutyric
acid as substrate. It is shown that substrate positioning determines
the accessibility of the oxidizing species (Compound I) to the substrate
and hence the regio- and chemoselectivity of the reaction. Furthermore,
the results show that, for 2-methylbutyric acid, α,β-desaturation
is favorable because of a rate-determining α-hydrogen atom abstraction,
which cannot proceed to decarboxylation. Moreover, substrate hydroxylation
is energetically impeded due to the tight shape and size of the substrate
binding pocket.
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Affiliation(s)
- Mathias Pickl
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Sara Kurakin
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Fabián G. Cantú Reinhard
- The Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Philipp Schmid
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Alexander Pöcheim
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Christoph K. Winkler
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
- Austrian Centre of Industrial Biotechnology (ACIB GmbH), Petersgasse 14, A-8010 Graz, Austria
| | - Wolfgang Kroutil
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
| | - Sam P. de Visser
- The Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Kurt Faber
- Department of Chemistry, Organic & Bioorganic Chemistry, University of Graz, Heinrichstrasse 28, A-8010 Graz, Austria
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81
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Plietker B, Röske A. Recent advances in Fe-catalyzed C–H aminations using azides as nitrene precursors. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00675c] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The intramolecular Fe-catalyzed amination of C–H bonds using azides as nitrene precursors represents an elegant approach toward N-heterocycles. This review summarizes the most recent achievements while focussing on fundamental mechanistic aspects.
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Affiliation(s)
- Bernd Plietker
- Institut für Organische Chemie
- Universität Stuttgart
- DE-70569 Stuttgart
- Germany
| | - Annika Röske
- Institut für Organische Chemie
- Universität Stuttgart
- DE-70569 Stuttgart
- Germany
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82
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Zhou Z, Chen S, Qin J, Nie X, Zheng X, Harms K, Riedel R, Houk KN, Meggers E. Catalytic Enantioselective Intramolecular C(sp
3
)−H Amination of 2‐Azidoacetamides. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811927] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Zijun Zhou
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Shuming Chen
- Department of Chemistry and BiochemistryUniversity of California Los Angeles CA 90095-1569 USA
| | - Jie Qin
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Xin Nie
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Xingwen Zheng
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Klaus Harms
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - Radostan Riedel
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
| | - K. N. Houk
- Department of Chemistry and BiochemistryUniversity of California Los Angeles CA 90095-1569 USA
| | - Eric Meggers
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Straße 4 35043 Marburg Germany
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83
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Abstract
Enzymes are complex biological catalysts and are critical to life. Most oxidations of chemicals are catalyzed by cytochrome P450 (P450, CYP) enzymes, which generally utilize mixed-function oxidase stoichiometry, utilizing pyridine nucleotides as electron donors: NAD(P)H + O2 + R → NAD(P)+ + RO + H2O (where R is a carbon substrate and RO is an oxidized product). The catalysis of oxidations is largely understood in the context of the heme iron-oxygen complex generally referred to as Compound I, formally FeO3+, whose basis was in peroxidase chemistry. Many X-ray crystal structures of P450s are now available (≥ 822 structures from ≥146 different P450s) and have helped in understanding catalytic specificity. In addition to hydroxylations, P450s catalyze more complex oxidations, including C-C bond formation and cleavage. Enzymes derived from P450s by directed evolution can even catalyze more unusual reactions, e.g. cyclopropanation. Current P450 questions under investigation include the potential role of the intermediate Compound 0 (formally FeIII-O2 -) in catalysis of some reactions, the roles of high- and low-spin forms of Compound I, the mechanism of desaturation, the roles of open and closed structures of P450s in catalysis, the extent of processivity in multi-step oxidations, and the role of the accessory protein cytochrome b 5. More global questions include exactly how structure drives function, prediction of catalysis, and roles of multiple protein conformations.
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Affiliation(s)
- F. Peter Guengerich
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146, United States
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84
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Wang P, Deng L. Recent Advances in Iron-Catalyzed C-H Bond AminationviaIron Imido Intermediate. CHINESE J CHEM 2018. [DOI: 10.1002/cjoc.201800427] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Peng Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences; 345Lingling Road, Shanghai 200032 China
| | - Liang Deng
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences; 345Lingling Road, Shanghai 200032 China
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85
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Zhang RK, Huang X, Arnold FH. Selective CH bond functionalization with engineered heme proteins: new tools to generate complexity. Curr Opin Chem Biol 2018; 49:67-75. [PMID: 30343008 DOI: 10.1016/j.cbpa.2018.10.004] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 09/27/2018] [Accepted: 10/02/2018] [Indexed: 12/13/2022]
Abstract
CH functionalization is an attractive strategy to construct and diversify molecules. Heme proteins, predominantly cytochromes P450, are responsible for an array of CH oxidations in biology. Recent work has coupled concepts from synthetic chemistry, computation, and natural product biosynthesis to engineer heme protein systems to deliver products with tailored oxidation patterns. Heme protein catalysis has been shown to go well beyond these native reactions and now accesses new-to-nature CH transformations, including CN and CC bond forming processes. Emerging work with these systems moves us along the ambitious path of building complexity from the ubiquitous CH bond.
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Affiliation(s)
- Ruijie K Zhang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard, MC 210-41, Pasadena, CA 91125, United States
| | - Xiongyi Huang
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard, MC 210-41, Pasadena, CA 91125, United States
| | - Frances H Arnold
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard, MC 210-41, Pasadena, CA 91125, United States.
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86
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Affiliation(s)
- Mahesh D. Patil
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
| | - Gideon Grogan
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, United Kingdom
| | - Andreas Bommarius
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 950 Atlantic Drive, Atlanta, Georgia 30332-2000, United States
| | - Hyungdon Yun
- Department of Systems Biotechnology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea
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87
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Su H, Ma G, Liu Y. Theoretical Insights into the Mechanism and Stereoselectivity of Olefin Cyclopropanation Catalyzed by Two Engineered Cytochrome P450 Enzymes. Inorg Chem 2018; 57:11738-11745. [DOI: 10.1021/acs.inorgchem.8b01875] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao Su
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
| | - Guangcai Ma
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, Zhejiang 321004, China
| | - Yongjun Liu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
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88
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Dong J, Fernández‐Fueyo E, Hollmann F, Paul CE, Pesic M, Schmidt S, Wang Y, Younes S, Zhang W. Biocatalytic Oxidation Reactions: A Chemist's Perspective. Angew Chem Int Ed Engl 2018; 57:9238-9261. [PMID: 29573076 PMCID: PMC6099261 DOI: 10.1002/anie.201800343] [Citation(s) in RCA: 276] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Indexed: 01/25/2023]
Abstract
Oxidation chemistry using enzymes is approaching maturity and practical applicability in organic synthesis. Oxidoreductases (enzymes catalysing redox reactions) enable chemists to perform highly selective and efficient transformations ranging from simple alcohol oxidations to stereoselective halogenations of non-activated C-H bonds. For many of these reactions, no "classical" chemical counterpart is known. Hence oxidoreductases open up shorter synthesis routes based on a more direct access to the target products. The generally very mild reaction conditions may also reduce the environmental impact of biocatalytic reactions compared to classical counterparts. In this Review, we critically summarise the most important recent developments in the field of biocatalytic oxidation chemistry and identify the most pressing bottlenecks as well as promising solutions.
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Affiliation(s)
- JiaJia Dong
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Elena Fernández‐Fueyo
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Frank Hollmann
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Caroline E. Paul
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Milja Pesic
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Sandy Schmidt
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Yonghua Wang
- School of Food Science and EngineeringSouth China University of TechnologyGuangzhou510640P. R. China
| | - Sabry Younes
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
| | - Wuyuan Zhang
- Department of BiotechnologyDelft University of Technologyvan der Maasweg 92629HZDelftThe Netherlands
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89
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Dong J, Fernández-Fueyo E, Hollmann F, Paul CE, Pesic M, Schmidt S, Wang Y, Younes S, Zhang W. Biokatalytische Oxidationsreaktionen - aus der Sicht eines Chemikers. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800343] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- JiaJia Dong
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Elena Fernández-Fueyo
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Frank Hollmann
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Caroline E. Paul
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Milja Pesic
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Sandy Schmidt
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Yonghua Wang
- School of Food Science and Engineering; South China University of Technology; Guangzhou 510640 P. R. China
| | - Sabry Younes
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
| | - Wuyuan Zhang
- Department of Biotechnology; Delft University of Technology; van der Maasweg 9 2629HZ Delft Niederlande
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90
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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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91
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Abstract
Tailor-made: Discussed herein is the ability to adapt biology's mechanisms for innovation and optimization to solving problems in chemistry and engineering. The evolution of nature's enzymes can lead to the discovery of new reactivity, transformations not known in biology, and reactivity inaccessible by small-molecule catalysts.
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Affiliation(s)
- Frances H. Arnold
- Division of Chemistry and Chemical EngineeringCalifornia Institute of Technology 210-411200 E. California Blvd.PasadenaCA91125USA
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92
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Gober JG, Rydeen AE, Schwochert TD, Gibson-O'Grady EJ, Brustad EM. Enhancing cytochrome P450-mediated non-natural cyclopropanation by mutation of a conserved second-shell residue. Biotechnol Bioeng 2018; 115:1416-1426. [DOI: 10.1002/bit.26571] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 02/13/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Joshua G. Gober
- Department of Chemistry; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
| | - Amy E. Rydeen
- Department of Chemistry; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
| | - Timothy D. Schwochert
- Department of Chemistry; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
| | - Evan J. Gibson-O'Grady
- Department of Chemistry; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
| | - Eric M. Brustad
- Department of Chemistry; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
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93
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Affiliation(s)
- Sudarshan Debnath
- Department of Chemistry; Syamsundar College; 713424 Shyamsundar India
| | - Shovan Mondal
- Department of Chemistry; Syamsundar College; 713424 Shyamsundar India
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94
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Stereoselective hydroxylation of isophorone by variants of the cytochromes P450 CYP102A1 and CYP101A1. Enzyme Microb Technol 2018; 111:29-37. [PMID: 29421034 DOI: 10.1016/j.enzmictec.2018.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 01/02/2018] [Accepted: 01/04/2018] [Indexed: 11/23/2022]
Abstract
The stereoselective oxidation of hydrocarbons is an area of research where enzyme biocatalysis can make a substantial impact. The cyclic ketone isophorone was stereoselectively hydroxylated (≥95%) by wild-type CYP102A1 to form (R)-4-hydroxyisophorone, an important chiral synthon and flavour and fragrance compound. CYP102A1 variants were also selective for 4-hydroxyisophorone formation and the product formation rate increased over the wild-type enzyme by up to 285-fold, with the best mutants being R47L/Y51F/I401P and A74G/F87V/L188Q. The latter variant, which contained mutations in the distal substrate binding pocket, was marginally less selective. Combining perfluorodecanoic acid decoy molecules with the rate accelerating variant R47L/Y51F/I401P engendered further improvement with the purified enzymes. However when the decoy molecules were used with A74G/F87V/L188Q the amount of product generated by the enzyme was reduced. Addition of decoy molecules to whole-cell turnovers did not improve the productivity of these CYP102A1 systems. WT CYP101A1 formed significant levels of 7-hydroxyisophorone as a minor product alongside 4-hydroxyisophorone. However the F87W/Y96F/L244A/V247L CYP101A1 mutant was ≥98% selective for (R)-4-hydroxyisophorone. A comparison of the two enzyme systems using whole-cell oxidation reactions showed that the best CYP101A1 variant was able to generate more product. We also characterised that the further oxidation metabolite 4-ketoisophorone was produced and then subsequently reduced to levodione by an endogenous Escherichia coli ene reductase.
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95
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Affiliation(s)
- Frances H. Arnold
- Division of Chemistry and Chemical Engineering California Institute of Technology 210-41 1200 E. California Blvd. Pasadena CA 91125 USA
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96
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Polic V, Cheong KJ, Hammerer F, Auclair K. Regioselective Epoxidations by Cytochrome P450 3A4 Using a Theobromine Chemical Auxiliary to Predictably Produce N-Protected β- or γ-Amino Epoxides. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700637] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Vanja Polic
- Department of Chemistry; McGill University; 801 Sherbrooke Street West Montreal, QC Canada H3A 0B8
| | - Kin Jack Cheong
- Department of Chemistry; McGill University; 801 Sherbrooke Street West Montreal, QC Canada H3A 0B8
| | - Fabien Hammerer
- Department of Chemistry; McGill University; 801 Sherbrooke Street West Montreal, QC Canada H3A 0B8
| | - Karine Auclair
- Department of Chemistry; McGill University; 801 Sherbrooke Street West Montreal, QC Canada H3A 0B8
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97
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Guo C, Wu ZL. Construction and functional analysis of a whole-cell biocatalyst based on CYP108N7. Enzyme Microb Technol 2017; 106:28-34. [DOI: 10.1016/j.enzmictec.2017.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/23/2017] [Accepted: 06/28/2017] [Indexed: 12/31/2022]
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98
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Gober JG, Ghodge SV, Bogart JW, Wever WJ, Watkins RR, Brustad EM, Bowers AA. P450-Mediated Non-natural Cyclopropanation of Dehydroalanine-Containing Thiopeptides. ACS Chem Biol 2017; 12:1726-1731. [PMID: 28535034 DOI: 10.1021/acschembio.7b00358] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Thiopeptides are a growing class of ribosomally synthesized and post-translationally modified peptide (RiPP) natural products. Many biosynthetic enzymes for RiPPs, especially thiopeptides, are promiscuous and can accept a wide range of peptide substrates with different amino acid sequences; thus, these enzymes have been used as tools to generate new natural product derivatives. Here, we explore an alternative route to molecular complexity by engineering thiopeptide tailoring enzymes to do new or non-native chemistry. We explore cytochrome P450 enzymes as biocatalysts for cyclopropanation of dehydroalanines, chemical motifs found widely in thiopeptides and other RiPP-based natural products. We find that P450TbtJ1 and P450TbtJ2 selectively cyclopropanate dehydroalanines in a number of complex thiopeptide-based substrates and convert them into 1-amino-2-cyclopropane carboxylic acids (ACCAs), which are important pharmacophores. This chemistry takes advantage of the innate affinity of these biosynthetic enzymes for their substrates and enables incorporation of new pharmacophores into thiopeptide architectures. This work also presents a strategy for diversification of natural products through rationally repurposing biosynthetic enzymes as non-natural biocatalysts.
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Affiliation(s)
- Joshua G. Gober
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Swapnil V. Ghodge
- Division
of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Jonathan W. Bogart
- Division
of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Walter J. Wever
- Division
of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Richard R. Watkins
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Eric M. Brustad
- Department
of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
| | - Albert A. Bowers
- Division
of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27514, United States
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99
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Brandenberg OF, Fasan R, Arnold FH. Exploiting and engineering hemoproteins for abiological carbene and nitrene transfer reactions. Curr Opin Biotechnol 2017; 47:102-111. [PMID: 28711855 DOI: 10.1016/j.copbio.2017.06.005] [Citation(s) in RCA: 218] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 06/12/2017] [Indexed: 12/25/2022]
Abstract
The surge in reports of heme-dependent proteins as catalysts for abiotic, synthetically valuable carbene and nitrene transfer reactions dramatically illustrates the evolvability of the protein world and our nascent ability to exploit that for new enzyme chemistry. We highlight the latest additions to the hemoprotein-catalyzed reaction repertoire (including carbene Si-H and C-H insertions, Doyle-Kirmse reactions, aldehyde olefinations, azide-to-aldehyde conversions, and intermolecular nitrene C-H insertion) and show how different hemoprotein scaffolds offer varied reactivity and selectivity. Preparative-scale syntheses of pharmaceutically relevant compounds accomplished with these new catalysts are beginning to demonstrate their biotechnological relevance. Insights into the determinants of enzyme lifetime and product yield are providing generalizable cues for engineering heme-dependent proteins to further broaden the scope and utility of these non-natural activities.
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Affiliation(s)
- Oliver F Brandenberg
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Blvd, Pasadena, CA 91125, USA
| | - Rudi Fasan
- Department of Chemistry, University of Rochester, Hutchison Hall, 120 Trustee Rd, Rochester, NY 14627, USA.
| | - Frances H Arnold
- Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Blvd, Pasadena, CA 91125, USA.
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100
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Munday SD, Dezvarei S, Lau IC, Bell SG. Examination of Selectivity in the Oxidation of
ortho
‐ and
meta
‐Disubstituted Benzenes by CYP102A1 (P450 Bm3) Variants. ChemCatChem 2017. [DOI: 10.1002/cctc.201700116] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Samuel D. Munday
- Department of Chemistry University of Adelaide Adelaide. SA 5005 Australia
| | | | - Ian C.‐K. Lau
- Department of Chemistry University of Adelaide Adelaide. SA 5005 Australia
| | - Stephen G. Bell
- Department of Chemistry University of Adelaide Adelaide. SA 5005 Australia
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