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Heiss TK, Dorn RS, Prescher JA. Bioorthogonal Reactions of Triarylphosphines and Related Analogues. Chem Rev 2021; 121:6802-6849. [PMID: 34101453 PMCID: PMC10064493 DOI: 10.1021/acs.chemrev.1c00014] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bioorthogonal phosphines were introduced in the context of the Staudinger ligation over 20 years ago. Since that time, phosphine probes have been used in myriad applications to tag azide-functionalized biomolecules. The Staudinger ligation also paved the way for the development of other phosphorus-based chemistries, many of which are widely employed in biological experiments. Several reviews have highlighted early achievements in the design and application of bioorthogonal phosphines. This review summarizes more recent advances in the field. We discuss innovations in classic Staudinger-like transformations that have enabled new biological pursuits. We also highlight relative newcomers to the bioorthogonal stage, including the cyclopropenone-phosphine ligation and the phospha-Michael reaction. The review concludes with chemoselective reactions involving phosphite and phosphonite ligations. For each transformation, we describe the overall mechanism and scope. We also showcase efforts to fine-tune the reagents for specific functions. We further describe recent applications of the chemistries in biological settings. Collectively, these examples underscore the versatility and breadth of bioorthogonal phosphine reagents.
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He Y, Shangguan Z, Zhang ZY, Xie M, Yu C, Li T. Azobispyrazole Family as Photoswitches Combining (Near-) Quantitative Bidirectional Isomerization and Widely Tunable Thermal Half-Lives from Hours to Years*. Angew Chem Int Ed Engl 2021; 60:16539-16546. [PMID: 33852166 DOI: 10.1002/anie.202103705] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/13/2021] [Indexed: 11/08/2022]
Abstract
Azobenzenes are classical molecular photoswitches that have been widely used. In recent endeavors of molecular design, replacing one or both phenyl rings with heteroaromatic rings has emerged as a strategy to expand molecular diversity and access improved photoswitching properties. Many mono-heteroaryl azo molecules with unique structures and/or properties have been developed, but the potential of bis-heteroaryl architectures is far from fully exploited. We report a family of azobispyrazoles, which combine (near-)quantitative bidirectional photoconversion and widely tunable Z-isomer thermal half-lives from hours to years. The two five-membered rings remarkably weaken the intramolecular steric hindrance, providing new possibilities for engineering the geometric and electronic structure of azo photoswitches. Azobispyrazoles generally exhibit twisted Z-isomers that facilitate complete Z→E photoisomerization, and their thermal stability can be broadly adjusted regardless of the twisted shape, overcoming the conflict between photoconversion (favored by the twisted shape) and Z-isomer stability (favored by the orthogonal shape) encountered by mono-heteroaryl azo switches.
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Affiliation(s)
- Yixin He
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhichun Shangguan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Zhao-Yang Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Mingchen Xie
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Chunyang Yu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tao Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory of Electrical Insulation and Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, China
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53
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Kaur S, Begum N, Mohiuddin G, Kumar Pal S. Photo-Responsive Behavior of Azobenzene Based Polar Hockey-Stick-Shaped Liquid Crystals. Chemphyschem 2021; 22:1361-1370. [PMID: 33956388 DOI: 10.1002/cphc.202100215] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 05/05/2021] [Indexed: 11/08/2022]
Abstract
A study on the photoswitching behavior of azobenzene-based polar hockey-stick-shaped liquid crystals (HSLCs) has been presented. Two new series of five phenyl rings based polar HSLCs have been designed and synthesized. Solution state photoisomerization of the synthesized materials was investigated thoroughly via UV-visible and 1 H NMR spectroscopic techniques, whereas solid-state photochromic behavior was elucidated via physical color change of the materials, solid-state UV-visible study, powder XRD, and FE-SEM techniques. The materials exhibited decent photochromic behavior for different potential applications. The thermal phase behavior of the superstructural assembly has been characterized via polarizing optical microscopy (POM), differential scanning calorimetry (DSC), and temperature-dependent small and wide-angle X-ray scattering (SAXS/WAXS) studies. Depending upon the length of the terminal alkyl chain, nematic (N) and partially bilayer smectic A (SmAd ) phases were observed. DFT calculations revealed the favorable anti-parallel arrangement of the polar molecules that substantiate the formation of SmAd phase.
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Affiliation(s)
- Supreet Kaur
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector-81, Knowledge City, Manauli, 140306, India
| | - Nazma Begum
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector-81, Knowledge City, Manauli, 140306, India
| | - Golam Mohiuddin
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector-81, Knowledge City, Manauli, 140306, India
| | - Santanu Kumar Pal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector-81, Knowledge City, Manauli, 140306, India
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54
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Jankovic B, Ruf J, Zanobini C, Bozovic O, Buhrke D, Hamm P. Sequence of Events during Peptide Unbinding from RNase S: A Complete Experimental Description. J Phys Chem Lett 2021; 12:5201-5207. [PMID: 34038133 DOI: 10.1021/acs.jpclett.1c01155] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The phototriggered unbinding of the intrinsically disordered S-peptide from the RNase S complex is studied with the help of transient IR spectroscopy, covering a wide range of time scales from 100 ps to 10 ms. To that end, an azobenzene moiety has been linked to the S-peptide in a way that its helicity is disrupted by light, thereby initiating its complete unbinding. The full sequence of events is observed, starting from unfolding of the helical structure of the S-peptide on a 20 ns time scale while still being in the binding pocket of the S-protein, S-peptide unbinding after 300 μs, and the structural response of the S-protein after 3 ms. With regard to the S-peptide dynamics, the binding mechanism can be classified as an induced fit, while the structural response of the S-protein is better described as conformational selection.
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Affiliation(s)
- Brankica Jankovic
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
| | - Jeannette Ruf
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
| | - Claudio Zanobini
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
| | - Olga Bozovic
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
| | - David Buhrke
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
| | - Peter Hamm
- Department of Chemistry, University of Zurich, Winterthurerstr. 190, CH-8057 Zürich, Switzerland
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55
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Leistner AL, Kirchner S, Karcher J, Bantle T, Schulte ML, Gödtel P, Fengler C, Pianowski ZL. Fluorinated Azobenzenes Switchable with Red Light. Chemistry 2021; 27:8094-8099. [PMID: 33769596 PMCID: PMC8252058 DOI: 10.1002/chem.202005486] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Indexed: 02/06/2023]
Abstract
Molecular photoswitches triggered with red or NIR light are optimal for photomodulation of complex biological systems, including efficient penetration of the human body for therapeutic purposes ("therapeutic window"). Yet, they are rarely reported, and even more rarely functional under aqueous conditions. In this work, fluorinated azobenzenes are shown to exhibit efficient E→Z photoisomerization with red light (PSS660nm >75 % Z) upon conjugation with unsaturated substituents. Initially demonstrated for aldehyde groups, this effect was also observed in a more complex structure by incorporating the chromophore into a cyclic dipeptide with propensity for self-assembly. Under physiological conditions, the latter molecule formed a supramolecular material that reversibly changed its viscosity upon irradiation with red light. Our observation can lead to design of new photopharmacology agents or phototriggered materials for in vivo use.
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Affiliation(s)
- Anna-Lena Leistner
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Susanne Kirchner
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Johannes Karcher
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Tobias Bantle
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Mariam L Schulte
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Peter Gödtel
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Christian Fengler
- Institut für Technische Chemie und Polymerchemie, Karlsruher Institut für Technologie (KIT), Engesserstraße 18, 76128, Karlsruhe, Germany
| | - Zbigniew L Pianowski
- Institut für Organische Chemie, Karlsruher Institut für Technologie, Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
- Institute of Biological and Chemical Systems - FMS, Karlsruhe Institute of Technology, Hermann-von-Helmholtz Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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56
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Matsuura K, Fujita S. A Photoresponsive Artificial Viral Capsid Self-Assembled from an Azobenzene-Containing β-Annulus Peptide. Int J Mol Sci 2021; 22:ijms22084028. [PMID: 33919771 PMCID: PMC8070682 DOI: 10.3390/ijms22084028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/11/2021] [Accepted: 04/12/2021] [Indexed: 12/25/2022] Open
Abstract
Photoinduced structural changes in peptides can dynamically control the formation and dissociation of supramolecular peptide materials. However, the existence of photoresponsive viral capsids in nature remains unknown. In this study, we constructed an artificial viral capsid possessing a photochromic azobenzene moiety on the peptide backbone. An azobenzene-containing β-annulus peptide derived from the tomato bushy stunt virus was prepared through solid-phase synthesis using Fmoc-3-[(3-aminomethyl)-phenylazo]phenylacetic acid. The azobenzene-containing β-annulus (β-Annulus-Azo) peptide showed a reversible trans/cis isomerization property. The β-annulus-azo peptide self-assembled at 25 μM into capsids with the diameters of 30–50 nm before UV irradiation (trans-form rich), whereas micrometer-sized aggregates were formed after UV irradiation (cis-form rich). The artificial viral capsid possessing azobenzene facilitated the encapsulation of fluorescent-labeled dextrans and their photoinduced release from the capsid.
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Affiliation(s)
- Kazunori Matsuura
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori 680-8552, Japan;
- Centre for Research on Green Sustainable Chemistry, Tottori University, Tottori 680-8552, Japan
- Correspondence: ; Tel.: +81-857-31-5262
| | - Seiya Fujita
- Department of Chemistry and Biotechnology, Graduate School of Engineering, Tottori University, Tottori 680-8552, Japan;
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57
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Homocianu M. Optical properties of solute molecules: Environmental effects, challenges, and their practical implications. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105797] [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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58
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Kim GC, Cheon DH, Lee Y. Challenge to overcome current limitations of cell-penetrating peptides. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2021; 1869:140604. [PMID: 33453413 DOI: 10.1016/j.bbapap.2021.140604] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 12/21/2020] [Accepted: 01/11/2021] [Indexed: 12/14/2022]
Abstract
The penetration of biological membranes is a prime obstacle for the delivery of pharmaceutical drugs. Cell-penetrating peptide (CPP) is an efficient vehicle that can deliver various cargos across the biological membranes. Since the discovery, CPPs have been rigorously studied to unveil the underlying penetrating mechanism as well as to exploit CPPs for various biomedical applications. This review will focus on the various strategies to overcome current limitations regarding stability, selectivity, and efficacy of CPPs.
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Affiliation(s)
- Gyu Chan Kim
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea
| | - Dae Hee Cheon
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea
| | - Yan Lee
- Department of Chemistry, Seoul National University, Seoul 151-742, Republic of Korea.
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59
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Uhl E, Wolff F, Mangal S, Dube H, Zanin E. Light-Controlled Cell-Cycle Arrest and Apoptosis. Angew Chem Int Ed Engl 2020; 60:1187-1196. [PMID: 33035402 PMCID: PMC7839536 DOI: 10.1002/anie.202008267] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Indexed: 12/19/2022]
Abstract
Cell‐cycle interference by small molecules has widely been used to study fundamental biological mechanisms and to treat a great variety of diseases, most notably cancer. However, at present only limited possibilities exist for spatio‐temporal control of the cell cycle. Here we report on a photocaging strategy to reversibly arrest the cell cycle at metaphase or induce apoptosis using blue‐light irradiation. The versatile proteasome inhibitor MG132 is photocaged directly at the reactive aldehyde function effectively masking its biological activity. Upon irradiation reversible cell‐cycle arrest in the metaphase is demonstrated to take place in vivo. Similarly, apoptosis can efficiently be induced by irradiation of human cancer cells. With the developed photopharmacological approach spatio‐temporal control of the cell cycle is thus enabled with very high modulation, as caged MG132 shows no effect on proliferation in the dark. In addition, full compatibility of photo‐controlled uncaging with dynamic microscopy techniques in vivo is demonstrated. This visible‐light responsive tool should be of great value for biological as well as medicinal approaches in need of high‐precision targeting of the proteasome and thereby the cell cycle and apoptosis.
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Affiliation(s)
- Edgar Uhl
- Ludwig-Maximilians-Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstr. 5-13, 81377, München, Germany
| | - Friederike Wolff
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
| | - Sriyash Mangal
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
| | - Henry Dube
- Ludwig-Maximilians-Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstr. 5-13, 81377, München, Germany.,Current address: Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Esther Zanin
- Ludwig-Maximilians-Universität München, Center for Integrated Protein Science CIPSM, Department Biology II, Planegg-Martinsried, 82152, München, Germany
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60
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Uhl E, Wolff F, Mangal S, Dube H, Zanin E. Light‐Controlled Cell‐Cycle Arrest and Apoptosis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Edgar Uhl
- Ludwig-Maximilians-Universität München Department of Chemistry and Center for Integrated Protein Science CIPSM Butenandtstr. 5–13 81377 München Germany
| | - Friederike Wolff
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
| | - Sriyash Mangal
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
| | - Henry Dube
- Ludwig-Maximilians-Universität München Department of Chemistry and Center for Integrated Protein Science CIPSM Butenandtstr. 5–13 81377 München Germany
- Current address: Friedrich-Alexander-Universität Erlangen-Nürnberg Department of Chemistry and Pharmacy Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
| | - Esther Zanin
- Ludwig-Maximilians-Universität München Center for Integrated Protein Science CIPSM Department Biology II Planegg-Martinsried 82152 München Germany
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61
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Engineering of stimuli-responsive lipid-bilayer membranes using supramolecular systems. Nat Rev Chem 2020; 5:46-61. [PMID: 37118103 DOI: 10.1038/s41570-020-00233-6] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
The membrane proteins found in nature control many important cellular functions, including signal transduction and transmembrane ion transport, and these, in turn, are regulated by external stimuli, such as small molecules, membrane potential and light. Membrane proteins also find technological applications in fields ranging from optogenetics to synthetic biology. Synthetic supramolecular analogues have emerged as a complementary method to engineer functional membranes. This Review describes stimuli-responsive supramolecular systems developed for the control of ion transport, signal transduction and catalysis in lipid-bilayer-membrane systems. Recent advances towards achieving spatio-temporal control over activity in artificial and living cells are highlighted. Current challenges, the scope, limitations and future potential to exploit supramolecular systems for engineering stimuli-responsive lipid-bilayer membranes are discussed.
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62
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Dudek M, Tarnowicz-Staniak N, Deiana M, Pokładek Z, Samoć M, Matczyszyn K. Two-photon absorption and two-photon-induced isomerization of azobenzene compounds. RSC Adv 2020; 10:40489-40507. [PMID: 35520821 PMCID: PMC9057575 DOI: 10.1039/d0ra07693g] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/18/2020] [Indexed: 01/05/2023] Open
Abstract
The process of two-photon-induced isomerization occurring in various organic molecules, among which azobenzene derivatives hold a prominent position, offers a wide range of functionalities, which can be used in both material and life sciences. This review provides a comprehensive description of nonlinear optical (NLO) properties of azobenzene (AB) derivatives whose geometries can be switched through two-photon absorption (TPA). Employing the nonlinear excitation process allows for deeper penetration of light into the tissues and provides opportunities to regulate biological systems in a non-invasive manner. At the same time, the tight focus of the beam needed to induce nonlinear absorption helps to improve the spatial resolution of the photoinduced structures. Since near-infrared (NIR) wavelengths are employed, the lower photon energies compared to usual one-photon excitation (typically, the azobenzene geometry change from trans to cis form requires the use of UV photons) cause less damage to the biological samples. Herein, we present an overview of the strategies for optimizing azobenzene-based photoswitches for efficient two-photon excitation (TPE) and the potential applications of two-photon-induced isomerization of azobenzenes in biological systems: control of ion flow in ion channels or control of drug release, as well as in materials science, to fabricate data storage media, optical filters, diffraction elements etc., based on phenomena like photoinduced anisotropy, mass transport and phase transition. The extant challenges in the field of two-photon switchable azomolecules are discussed.
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Affiliation(s)
- Marta Dudek
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
| | - Nina Tarnowicz-Staniak
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
| | - Marco Deiana
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
| | - Ziemowit Pokładek
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
| | - Marek Samoć
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group, Faculty of Chemistry, Wroclaw Unviersity of Science and Technology Wyb. Wyspianskiego 27 50-370 Wroclaw Poland
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63
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Chu W, Prodromou R, Day KN, Schneible JD, Bacon KB, Bowen JD, Kilgore RE, Catella CM, Moore BD, Mabe MD, Alashoor K, Xu Y, Xiao Y, Menegatti S. Peptides and pseudopeptide ligands: a powerful toolbox for the affinity purification of current and next-generation biotherapeutics. J Chromatogr A 2020; 1635:461632. [PMID: 33333349 DOI: 10.1016/j.chroma.2020.461632] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 02/08/2023]
Abstract
Following the consolidation of therapeutic proteins in the fight against cancer, autoimmune, and neurodegenerative diseases, recent advancements in biochemistry and biotechnology have introduced a host of next-generation biotherapeutics, such as CRISPR-Cas nucleases, stem and car-T cells, and viral vectors for gene therapy. With these drugs entering the clinical pipeline, a new challenge lies ahead: how to manufacture large quantities of high-purity biotherapeutics that meet the growing demand by clinics and biotech companies worldwide. The protein ligands employed by the industry are inadequate to confront this challenge: while featuring high binding affinity and selectivity, these ligands require laborious engineering and expensive manufacturing, are prone to biochemical degradation, and pose safety concerns related to their bacterial origin. Peptides and pseudopeptides make excellent candidates to form a new cohort of ligands for the purification of next-generation biotherapeutics. Peptide-based ligands feature excellent target biorecognition, low or no toxicity and immunogenicity, and can be manufactured affordably at large scale. This work presents a comprehensive and systematic review of the literature on peptide-based ligands and their use in the affinity purification of established and upcoming biological drugs. A comparative analysis is first presented on peptide engineering principles, the development of ligands targeting different biomolecular targets, and the promises and challenges connected to the industrial implementation of peptide ligands. The reviewed literature is organized in (i) conventional (α-)peptides targeting antibodies and other therapeutic proteins, gene therapy products, and therapeutic cells; (ii) cyclic peptides and pseudo-peptides for protein purification and capture of viral and bacterial pathogens; and (iii) the forefront of peptide mimetics, such as β-/γ-peptides, peptoids, foldamers, and stimuli-responsive peptides for advanced processing of biologics.
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Affiliation(s)
- Wenning Chu
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Raphael Prodromou
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kevin N Day
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - John D Schneible
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kaitlyn B Bacon
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - John D Bowen
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Ryan E Kilgore
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Carly M Catella
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Brandyn D Moore
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Matthew D Mabe
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606
| | - Kawthar Alashoor
- Department of Biochemistry and Biophysics, University of Rochester, Rochester, NY 14642
| | - Yiman Xu
- College of Material Science and Engineering, Donghua University, 201620 Shanghai, People's Republic of China
| | - Yuanxin Xiao
- College of Textile, Donghua University, Songjiang District, Shanghai, 201620, People's Republic of China
| | - Stefano Menegatti
- Department of Chemical and Biomolecular Engineering, North Carolina State University, 911 Partners Way room 2-009, Raleigh, NC 27606.
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64
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Dcona MM, Mitra K, Hartman MCT. Photocontrolled activation of small molecule cancer therapeutics. RSC Med Chem 2020; 11:982-1002. [PMID: 33479692 PMCID: PMC7513389 DOI: 10.1039/d0md00107d] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/19/2020] [Indexed: 12/11/2022] Open
Abstract
Cancer remains one of the leading causes of death worldwide. Conventional treatment of the disease is comprised of chemotherapy, radiation and surgery among other treatment approaches. Chemotherapy is plagued by multiple side-effects caused due to non-specific drug action. Light-based therapies offer an alternative treatment approach that can be fine tuned to achieve the desired effect to treat the disease and address challenges posed by chemotherapeutic side-effects. Photodynamic therapy (PDT) is one of the light mediated treatment modalities that has been successfully applied to treat superficial malignancies with high-efficiency, although its dependence on normoxic conditions limits its efficiency to treat deep-seated tumors. On the other hand, light-sensitive drug-mimetics and drug-release platforms have been deemed efficient in preclinical settings to induce cancer cell death with minimal collateral damage. Drawing from about a decade's worth of examples, we highlight the application of photosensitive molecules as an alternative therapeutic option to PDT and describe their designs that influence the biology of the cancer cells, in turn affecting their viability with high spatio-temporal control.
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Affiliation(s)
- M Michael Dcona
- Department of Internal Medicine , Virginia Commonwealth University , 1201 East Marshall Street , Richmond , 23298 , Virginia , USA .
- Massey Cancer Center , 401 College St. , Richmond , 23219 , Virginia , USA
| | - Koushambi Mitra
- Massey Cancer Center , 401 College St. , Richmond , 23219 , Virginia , USA
- Department of Chemistry , Virginia Commonwealth University , 1001 W Main St , Richmond , 23284 , Virginia , USA
| | - Matthew C T Hartman
- Massey Cancer Center , 401 College St. , Richmond , 23219 , Virginia , USA
- Department of Chemistry , Virginia Commonwealth University , 1001 W Main St , Richmond , 23284 , Virginia , USA
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65
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Choi SK. Photoactivation Strategies for Therapeutic Release in Nanodelivery Systems. ADVANCED THERAPEUTICS 2020. [DOI: 10.1002/adtp.202000117] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Seok Ki Choi
- Michigan Nanotechnology Institute for Medicine and Biological Sciences University of Michigan Medical School Ann Arbor MI 48109 USA
- Department of Internal Medicine University of Michigan Medical School Ann Arbor MI 48109 USA
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66
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Komarov IV, Bakanovych IV. Photoregulated macrocyclic cell-penetrating peptides (microreview). Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02721-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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67
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Ahmad M, Metya S, Das A, Talukdar P. A Sandwich Azobenzene-Diamide Dimer for Photoregulated Chloride Transport. Chemistry 2020; 26:8703-8708. [PMID: 32129531 DOI: 10.1002/chem.202000400] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Indexed: 12/15/2022]
Abstract
There has been a tremendous evolution for artificial ion transport systems, especially gated synthetic systems, which closely mimic their natural congeners. Herein, we demonstrate a trans-azobenzene-based photoregulatory anionophoric system that transports chloride by forming a sandwich dimeric complex. Further studies confirmed a carrier-mediated chloride-anion antiport mechanism, and the supramolecular interactions involved in chloride recognition within the sandwich complex were revealed from theoretical studies. Reversible trans-cis photoisomerization of the azobenzene was achieved without any significant contribution from the thermal cis→trans isomerization at room temperature. Photoregulatory transport activity across the lipid bilayer membrane inferred an outstanding off-on response of the azobenzene photoswitch.
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Affiliation(s)
- Manzoor Ahmad
- Chemistry Department, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India
| | - Surajit Metya
- Chemistry Department, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India
| | - Aloke Das
- Chemistry Department, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India
| | - Pinaki Talukdar
- Chemistry Department, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India
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68
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Zhou C, Ji Y, Ren L, Shao X. Photochromic meta-diamides for optical modulation of ligand activity and neuron function†. Photochem Photobiol Sci 2020; 19:854-857. [PMID: 33856679 DOI: 10.1039/d0pp00045k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/28/2020] [Indexed: 05/18/2024]
Abstract
Photopharmacology offers facile solutions for spatiotemporal control over ligand activity and receptor function. The meta-diamide insecticide acts on insect GABA receptors (GABARs) as an antagonist that causes firing of a neuron. We present here photochromic GABAR ligands azobenzene-meta-diamides (ABMDAs) by incorporating photoswitchable azobenzene with meta-diamides. ABMDAs showed good isomerization efficiency and fatigue resistance. Among them, ABMDA7 shows a 1.5-fold insecticidal activity difference towards mosquito larvae (Aedes albopictus) before and after UV illumination. We translated this light-dependent activity difference to the optical modulation of the membrane potential of American cockroach (Periptaneta americana) DUM neurons. This light-responsive meta-diamide-based GABAR ligand allows for optical regulation of insecticidal activity and DUM neurons.
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Affiliation(s)
- Cuncun Zhou
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China
| | - Yunfan Ji
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Liping Ren
- Sinochem Agro Co., Ltd, Sinochem International Plaza, NO. 233 North Changqing Rd., Pudong New Area, Shanghai, 200126, China
| | - Xusheng Shao
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai, 200237, China.
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China.
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69
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Tecilla P, Bonifazi D. Configurational Selection in Azobenzene-Based Supramolecular Systems Through Dual-Stimuli Processes. ChemistryOpen 2020; 9:529-544. [PMID: 32373423 PMCID: PMC7197086 DOI: 10.1002/open.202000045] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/30/2020] [Indexed: 11/21/2022] Open
Abstract
Azobenzene is one of the most studied light-controlled molecular switches and it has been incorporated in a large variety of supramolecular systems to control their structural and functional properties. Given the peculiar isomeric distribution at the photoexcited state (PSS), azobenzene derivatives have been used as photoactive framework to build metastable supramolecular systems that are out of the thermodynamic equilibrium. This could be achieved exploiting the peculiar E/Z photoisomerization process that can lead to isomeric ratios that are unreachable in thermal equilibrium conditions. The challenge in the field is to find molecular architectures that, under given external circumstances, lead to a given isomeric ratio in a reversible and predictable manner, ensuring an ultimate control of the configurational distribution and system composition. By reviewing early and recent works in the field, this review aims at describing photoswitchable systems that, containing an azobenzene dye, display a controlled configurational equilibrium by means of a molecular recognition event. Specifically, examples include programmed photoactive molecular architectures binding cations, anions and H-bonded neutral guests. In these systems the non-covalent molecular recognition adds onto the thermal and light stimuli, equipping the supramolecular architecture with an additional external trigger to select the desired configuration composition.
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Affiliation(s)
- Paolo Tecilla
- Dipartimento di Matematica e GeoscienzeUniversità degli Studi di TriesteVia Weiss 2 134127TriesteItaly
| | - Davide Bonifazi
- School of ChemistryCardiff University Main BuildingPark PlaceCF10 3ATCardiff, WalesUK
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70
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Preußke N, Moormann W, Bamberg K, Lipfert M, Herges R, Sönnichsen FD. Visible-light-driven photocontrol of the Trp-cage protein fold by a diazocine cross-linker. Org Biomol Chem 2020; 18:2650-2660. [PMID: 32207764 DOI: 10.1039/c9ob02442e] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Diazocines are characterized by extraordinary photochemical properties rendering them of particular interest for switching the conformation of biomolecules with visible light. Current developments afford synthetic access to unprecedented diazocine derivatives promising particular opportunities in photocontrol of proteins and biological systems. In this work, the well-established approach of photocontrolling the secondary structure of α-helices was exploited using a diazocine to reversibly fold and unfold the tertiary structure of a small protein. The protein of choice was the globulary folded Trp-cage, a widely used model system for the elucidation of protein folding pathways. A specifically designed, short and rigid dicarboxy-functionalized diazocine-based cross-linker was attached to two solvent-exposed side chains at the α-helix of the miniprotein through the use of a primary amine-selective active ester. This cross-linking strategy is orthogonal to the common cysteine-based chemistry. The cross-linked Trp-cage was successfully photoisomerized and exhibited a strong correlation between protein fold and diazocine isomeric state. As determined by NMR spectroscopy, the cis-isomer stabilized the fold, while the trans-isomer led to complete protein unfolding. The successful switching of the protein fold in principle demonstrates the ability to control protein function, as the activity depends on their structural integrity.
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Affiliation(s)
- Nils Preußke
- Otto-Diels-Institute for Organic Chemistry, Christian-Albrechts-University of Kiel, Otto-Hahn-Platz 4, 24118 Kiel, Germany.
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71
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Li J, Kong H, Zhu C, Zhang Y. Photo-controllable bioorthogonal chemistry for spatiotemporal control of bio-targets in living systems. Chem Sci 2020; 11:3390-3396. [PMID: 34109018 PMCID: PMC8152734 DOI: 10.1039/c9sc06540g] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 03/07/2020] [Indexed: 12/27/2022] Open
Abstract
The establishment of bioorthogonal chemistry is one of the most significant advances in chemical biology using exogenous chemistry to perturb and study biological processes. Photo-modulation of biological systems has realized temporal and spatial control on biomacromolecules in living systems. The combination of photo-modulation and bioorthogonal chemistry is therefore emerging as a new direction to develop new chemical biological tools with spatiotemporal resolution. This minireview will focus on recent development of bioorthogonal chemistry subject to spatiotemporal control through photo-irradiation. Different strategies to realize photo-control on bioorthogonal bond-forming reactions and biological applications of photo-controllable bioorthogonal reactions will be summarized to give a perspective on how the innovations on photo-chemistry can contribute to the development of optochemical biology. Future trends to develop more optochemical tools based on novel photochemistry will also be discussed to envision the development of chemistry-oriented optochemical biology.
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Affiliation(s)
- Jinbo Li
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Hao Kong
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Chenghong Zhu
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
| | - Yan Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University Nanjing 210023 China
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72
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Balam-Villarreal JA, López-Mayorga BJ, Gallardo-Rosas D, Toscano RA, Carreón-Castro MP, Basiuk VA, Cortés-Guzmán F, López-Cortés JG, Ortega-Alfaro MC. π-Extended push-pull azo-pyrrole photoswitches: synthesis, solvatochromism and optical band gaps. Org Biomol Chem 2020; 18:1657-1670. [PMID: 32048680 DOI: 10.1039/c9ob02410g] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new family of push-pull biphenyl-azopyrrole compounds 3b-g and 4b-d was efficiently obtained via a Suzuki cross-coupling reaction between 2-(4'-iodophenyl-azo)-N-methyl pyrrole (1a) or 3-(4'-iodophenyl-azo)-1,2,5-trimethyl pyrrole (2a) and 4'-substituted phenyl boronic acids in excellent yields. The influence of the π-biphenyl backbone and pyrrole pattern substitution was correlated with their optical properties. Solvatochromic studies via UV-visible spectrophotometry revealed that the inclusion of a 4'-nitro-biphenyl fragment favors a red-shift of the main absorption band in these azo compounds compared with their non-substituted analogues. Likewise, optical band-gaps were estimated by means of electronic absorption spectra and correlated with TD-DFT studies. The pyrrole pattern substitution and the π-conjugated backbone exhibit a clear influence on their thermal isomerization kinetics at room temperature. In all cases, biphenylazo-pyrrole compounds lead to the formation of J-type aggregates in binary MeOH : H2O solvents. Under these conditions, compounds 3b-c undergo a water-assisted cis-to-trans isomerization at room temperature.
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Affiliation(s)
- J A Balam-Villarreal
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
| | - B J López-Mayorga
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
| | - D Gallardo-Rosas
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
| | - R A Toscano
- Instituto de Química UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Cuidad de México, Mexico.
| | - M P Carreón-Castro
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
| | - V A Basiuk
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
| | - F Cortés-Guzmán
- Instituto de Química UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Cuidad de México, Mexico.
| | - J G López-Cortés
- Instituto de Química UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Cuidad de México, Mexico.
| | - M C Ortega-Alfaro
- Instituto de Ciencias Nucleares, UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán C.P. 04510, Ciudad de México, Mexico.
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73
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Lee J, Lee H, Kim C. Stimuli-responsive conformational transformation of antimicrobial peptides stapled with an azobenzene unit. NEW J CHEM 2020. [DOI: 10.1039/d0nj03409f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The effect of the azobenzene-stapling position on the triggered transformation of the helical conformation of KLA peptides in response to UV irradiation and reductive cleavage is investigated.
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Affiliation(s)
- Jeonghun Lee
- Department of Polymer Science and Engineering
- Inha University
- Incheon 22212
- Korea
| | - Hanwool Lee
- Department of Polymer Science and Engineering
- Inha University
- Incheon 22212
- Korea
| | - Chulhee Kim
- Department of Polymer Science and Engineering
- Inha University
- Incheon 22212
- Korea
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74
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Saha R, Mukherjee PS. Chemistry of photoswitching molecules in the confined nanospace of aqueous molecular vessels. Dalton Trans 2020; 49:1716-1720. [DOI: 10.1039/c9dt04407h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
This Frontier article highlights the photoswitching behaviour of azobenzenes, spiropyrans and DASA molecules inside the nano cavity of self-assembled coordination molecular vessels in aqueous medium and in the solid state.
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Affiliation(s)
- Rupak Saha
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science
- Bangalore 560012
- India
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75
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Dattler D, Fuks G, Heiser J, Moulin E, Perrot A, Yao X, Giuseppone N. Design of Collective Motions from Synthetic Molecular Switches, Rotors, and Motors. Chem Rev 2019; 120:310-433. [PMID: 31869214 DOI: 10.1021/acs.chemrev.9b00288] [Citation(s) in RCA: 241] [Impact Index Per Article: 48.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Precise control over molecular movement is of fundamental and practical importance in physics, biology, and chemistry. At nanoscale, the peculiar functioning principles and the synthesis of individual molecular actuators and machines has been the subject of intense investigations and debates over the past 60 years. In this review, we focus on the design of collective motions that are achieved by integrating, in space and time, several or many of these individual mechanical units together. In particular, we provide an in-depth look at the intermolecular couplings used to physically connect a number of artificial mechanically active molecular units such as photochromic molecular switches, nanomachines based on mechanical bonds, molecular rotors, and light-powered rotary motors. We highlight the various functioning principles that can lead to their collective motion at various length scales. We also emphasize how their synchronized, or desynchronized, mechanical behavior can lead to emerging functional properties and to their implementation into new active devices and materials.
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Affiliation(s)
- Damien Dattler
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Gad Fuks
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Joakim Heiser
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Emilie Moulin
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Alexis Perrot
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Xuyang Yao
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
| | - Nicolas Giuseppone
- SAMS Research Group, Institute Charles Sadron, CNRS , University of Strasbourg , 23 rue du Loess , BP 84047, 67034 Strasbourg Cedex 2 , France
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76
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Kilgour SL, Jenkins R, Tosin M. A Photoactivatable Small-Molecule Probe for the In Vivo Capture of Polyketide Intermediates. Chemistry 2019; 25:16511-16514. [PMID: 31617624 PMCID: PMC6972646 DOI: 10.1002/chem.201903661] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 09/26/2019] [Indexed: 01/24/2023]
Abstract
A photolabile carba(dethia) malonyl N-acetylcysteamine derivative was devised and prepared for the trapping of biosynthetic polyketide intermediates following light activation. From the lasalocid A polyketide assembly in a mutant strain of the soil bacterium Streptomyces lasaliensis, a previously undetected cyclised intermediate was identified and characterised, providing a new outlook on the timing of substrate processing.
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Affiliation(s)
| | - Robert Jenkins
- Department of ChemistryUniversity of WarwickLibrary RoadCoventryCV4 7ALUK
| | - Manuela Tosin
- Department of ChemistryUniversity of WarwickLibrary RoadCoventryCV4 7ALUK
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77
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Pithan PM, Kuhlmann C, Engelhard C, Ihmels H. Synthesis of 5-Alkyl- and 5-Phenylamino-Substituted Azothiazole Dyes with Solvatochromic and DNA-Binding Properties. Chemistry 2019; 25:16088-16098. [PMID: 31523866 PMCID: PMC6973281 DOI: 10.1002/chem.201903657] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/09/2019] [Indexed: 01/24/2023]
Abstract
A series of new 5-mono- and 5,5'-bisamino-substituted azothiazole derivatives was synthesized from the readily available diethyl azothiazole-4,4'-dicarboxylate. This reaction most likely comprises an initial Michael-type addition by the respective primary alkyl and aromatic amines at the carbon atom C5 of the substrate. Subsequently, the resulting intermediates are readily oxidized by molecular oxygen to afford the amino-substituted azothiazole derivatives. The latter exhibit remarkably red-shifted absorption bands (λabs =507-661 nm) with high molar extinction coefficients and show a strong positive solvatochromism. As revealed by spectrometric titrations and circular and linear dichroism studies, the water-soluble, bis-(dimethylaminopropylamino)-substituted azo dye associates with duplex DNA by formation of aggregates along the phosphate backbone at high ligand-DNA ratios (LDR) and by intercalation at low LDR, which also leads to a significant increase of the otherwise low emission intensity at 671 nm.
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Affiliation(s)
- Phil M. Pithan
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and EngineeringUniversity of SiegenAdolf-Reichwein-Str. 257068SiegenGermany
| | - Christopher Kuhlmann
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and EngineeringUniversity of SiegenAdolf-Reichwein-Str. 257068SiegenGermany
| | - Carsten Engelhard
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and EngineeringUniversity of SiegenAdolf-Reichwein-Str. 257068SiegenGermany
| | - Heiko Ihmels
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and EngineeringUniversity of SiegenAdolf-Reichwein-Str. 257068SiegenGermany
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78
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Saha D, Das P, Biswas P, Guin J. Synthesis of Phenolic Compounds via Palladium Catalyzed C−H Functionalization of Arenes. Chem Asian J 2019; 14:4534-4548. [DOI: 10.1002/asia.201901073] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 10/31/2019] [Indexed: 12/29/2022]
Affiliation(s)
- Debajyoti Saha
- Department of ChemistryKrishnagar Govt. College Krishnagar Nadia 741101 India
| | - Prasenjit Das
- School of Chemical SciencesIndian Association for the Cultivation of Science 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata 700032 India
| | - Promita Biswas
- School of Chemical SciencesIndian Association for the Cultivation of Science 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata 700032 India
| | - Joyram Guin
- School of Chemical SciencesIndian Association for the Cultivation of Science 2A & 2B Raja S. C. Mullick Road Jadavpur Kolkata 700032 India
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79
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Ge Z, Yang Z, Liang J, Dong D, Zhu M. Optical Control of the GTP Affinity of K-Ras(G12C) by a Photoswitchable Inhibitor. Chembiochem 2019; 20:2916-2920. [PMID: 31219673 DOI: 10.1002/cbic.201900342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Indexed: 01/11/2023]
Abstract
Photocontrol of protein activity is an emerging field in biomedicine. For optical control of a mutant small GTPase K-Ras(G12C), we developed small-molecule inhibitors with photoswitchable efficacy, where one configuration binds the target protein and exert different pharmacological effects upon light irradiation. The compound design was based on the structure feature of a previously identified allosteric pocket of K-Ras(G12C) and the chemical structure of covalent inhibitors, and resulted in the synthesis and characterization of two representative azobenzene-containing compounds. Nucleotide exchange assays demonstrated the different efficacy to control the GTP affinity by photoswitching of one potent compound PS-C2, which would be a useful tool to probe the conformation of mutational K-Ras. Our study demonstrated the feasibility of designing photoswitchable modulators from allosteric covalent inhibitor of small GTPases.
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Affiliation(s)
- Zhihua Ge
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, P. R. China
| | - Zhuojin Yang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, P. R. China
| | - Jingshi Liang
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, P. R. China
| | - Duoling Dong
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, P. R. China
| | - Mingyan Zhu
- School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai, 200240, P. R. China
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80
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Zhang Z, He Y, Zhou Y, Yu C, Han L, Li T. Pyrazolylazophenyl Ether‐Based Photoswitches: Facile Synthesis, (Near‐)Quantitative Photoconversion, Long Thermal Half‐Life, Easy Functionalization, and Versatile Applications in Light‐Responsive Systems. Chemistry 2019; 25:13402-13410. [DOI: 10.1002/chem.201902897] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/18/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Zhao‐Yang Zhang
- Shanghai Key Laboratory of Electrical Insulation and Thermal Aging School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Yixin He
- Shanghai Key Laboratory of Electrical Insulation and Thermal Aging School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Ying Zhou
- Shanghai Key Laboratory of Electrical Insulation and Thermal Aging School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Chunyang Yu
- Shanghai Key Laboratory of Electrical Insulation and Thermal Aging School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
| | - Lu Han
- School of Chemical Science and Engineering Tongji University Shanghai 200092 P. R. China
| | - Tao Li
- Shanghai Key Laboratory of Electrical Insulation and Thermal Aging School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
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81
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Vanuytsel S, Carniello J, Wallace MI. Artificial Signal Transduction across Membranes. Chembiochem 2019; 20:2569-2580. [DOI: 10.1002/cbic.201900254] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/09/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Steven Vanuytsel
- Department of ChemistryKing's College London Britannia House 7 Trinity Street London SE1 1DB UK
- London Centre for Nanotechnology Strand London WC2R 2LS UK
| | - Joanne Carniello
- Department of ChemistryKing's College London Britannia House 7 Trinity Street London SE1 1DB UK
- London Centre for Nanotechnology Strand London WC2R 2LS UK
| | - Mark Ian Wallace
- Department of ChemistryKing's College London Britannia House 7 Trinity Street London SE1 1DB UK
- London Centre for Nanotechnology Strand London WC2R 2LS UK
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82
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Peddie V, Abell AD. Photocontrol of peptide secondary structure through non-azobenzene photoswitches. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2019. [DOI: 10.1016/j.jphotochemrev.2019.05.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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83
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Cho W, Park C. Design of Mechanized Nanocomposites for Exploring New Chemical Motions. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wansu Cho
- Department of Industrial ChemistryPukyong National University 365 Sinseon-ro, Nam-gu Busan 48547 Republic of Korea
| | - Chiyoung Park
- Department of Energy Science and EngineeringDaegu Gyeongbuk Institute of Science and Technology (DGIST) 333, Techno jungang-daero, Hyeonpung-eup, Dalseong-gun Daegu Republic of Korea
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84
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Courtney TM, Horst TJ, Hankinson CP, Deiters A. Synthesis and application of light-switchable arylazopyrazole rapamycin analogs. Org Biomol Chem 2019; 17:8348-8353. [PMID: 31469140 DOI: 10.1039/c9ob01719d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Rapamycin-induced dimerization of FKBP and FRB has been utilized as a tool for co-localizing two proteins of interest in numerous applications. Due to the tight binding interaction of rapamycin with FKBP and FRB, the ternary complex formation is essentially irreversible. Since biological processes occur in a highly dynamic fashion with cycles of protein association and dissociation to generate a cellular response, it is useful to have chemical tools that function in a similar manner. We have developed arylazopyrazole-modified rapamycin analogs which undergo a configurational change upon light exposure and we observed enhanced ternary complex formation for the cis-isomer over the trans-isomer for one of the analogs.
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Affiliation(s)
- Taylor M Courtney
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
| | - Trevor J Horst
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
| | - Chasity P Hankinson
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
| | - Alexander Deiters
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.
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85
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Albert L, Vázquez O. Photoswitchable peptides for spatiotemporal control of biological functions. Chem Commun (Camb) 2019; 55:10192-10213. [PMID: 31411602 DOI: 10.1039/c9cc03346g] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Light is unsurpassed in its ability to modulate biological interactions. Since their discovery, chemists have been fascinated by photosensitive molecules capable of switching between isomeric forms, known as photoswitches. Photoswitchable peptides have been recognized for many years; however, their functional implementation in biological systems has only recently been achieved. Peptides are now acknowledged as excellent protein-protein interaction modulators and have been important in the emergence of photopharmacology. In this review, we briefly explain the different classes of photoswitches and summarize structural studies when they are incorporated into peptides. Importantly, we provide a detailed overview of the rapidly increasing number of examples, where biological modulation is driven by the structural changes. Furthermore, we discuss some of the remaining challenges faced in this field. These exciting proof-of-principle studies highlight the tremendous potential of photocontrollable peptides as optochemical tools for chemical biology and biomedicine.
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Affiliation(s)
- Lea Albert
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35043, Marburg, Germany.
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86
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Moreno M, Gelabert R, Lluch JM. Deciphering the grounds of the suitability of acylhydrazones as efficient photoswitches. Phys Chem Chem Phys 2019; 21:16075-16082. [PMID: 31290500 DOI: 10.1039/c9cp03324f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Many efforts are currently being devoted to designing molecular photoswitches with specific properties. In this sense, a recent publication [D. J. van Dijken et al., J. Am. Chem. Soc., 2015, 137, 14982-14991] has synthesized and analyzed the photochromic properties of a large set of acylhydrazones (ACHs), a relatively unexploited class of potential photoswitches with two stable E and Z isomers. This study has revealed a very diverse and complex pattern of the absorption/emission properties of ACHs depending on the substituents attached to the ACH motif. In this work, high level theoretical calculations are performed on a representative set of the experimentally studied ACHs in order to analyze, at the molecular level, the reasons behind the different photochemistries experimentally observed. This systematic study allows for the classification of the full set of ACHs into just four categories. The two more common groups display a small, either positive or negative, shift of the maximum wavelength of absorption between the E and Z isomers. Less common, but far more interesting from a practical point of view, are the compounds that show a large (>100 nm) Stokes shift. This behavior may arise from two different situations. The most common one implies the possibility of an intramolecular proton transfer in the excited electronic state of the less stable Z isomer. The less likely scenario would also involve a loss of the azidic proton through an intermolecular proton transfer that would take place with the aid of the solvent.
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Affiliation(s)
- Miquel Moreno
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Ricard Gelabert
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - José M Lluch
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain. and Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barceloma, 08193, Bellaterra, Barcelona, Spain
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87
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Ali A, Bullen GA, Cross B, Dafforn TR, Little HA, Manchester J, Peacock AFA, Tucker JHR. Light-controlled thrombin catalysis and clot formation using a photoswitchable G-quadruplex DNA aptamer. Chem Commun (Camb) 2019; 55:5627-5630. [PMID: 31025680 DOI: 10.1039/c9cc01540j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The reversible photocontrol of an enzyme governing blood coagulation is demonstrated. The thrombin binding aptamer (TBA), was rendered photochromic by modification with two anthracene groups. Light-triggered anthracene photodimerisation distorts its structure, inhibiting binding of the enzyme thrombin, which in turn triggers catalysis and the resulting clotting process.
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Affiliation(s)
- Aysha Ali
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
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88
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Iminothioindoxyl as a molecular photoswitch with 100 nm band separation in the visible range. Nat Commun 2019; 10:2390. [PMID: 31160552 PMCID: PMC6546742 DOI: 10.1038/s41467-019-10251-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 04/25/2019] [Indexed: 12/16/2022] Open
Abstract
Light is an exceptional external stimulus for establishing precise control over the properties and functions of chemical and biological systems, which is enabled through the use of molecular photoswitches. Ideal photoswitches are operated with visible light only, show large separation of absorption bands and are functional in various solvents including water, posing an unmet challenge. Here we show a class of fully-visible-light-operated molecular photoswitches, Iminothioindoxyls (ITIs) that meet these requirements. ITIs show a band separation of over 100 nm, isomerize on picosecond time scale and thermally relax on millisecond time scale. Using a combination of advanced spectroscopic and computational techniques, we provide the rationale for the switching behavior of ITIs and the influence of structural modifications and environment, including aqueous solution, on their photochemical properties. This research paves the way for the development of improved photo-controlled systems for a wide variety of applications that require fast responsive functions. The design of photoswitches which operate in the visible light regime, show a large separation of absorption bands and are functional in various solvents is challenging. Here the authors report Iminothioindoxyls as visible-light operated photoswitches with a band separation of 100 nm.
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89
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Krawczyk KM, Field RL, Liu LC, Dong M, Woolley GA, Miller RD. Illuminating the photoisomerization of a modified azobenzene single crystal by femtosecond absorption spectroscopy. CAN J CHEM 2019. [DOI: 10.1139/cjc-2018-0461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mechanism of isomerization for azobenzene is a topic still to be completely elucidated. Here, we describe the ultrafast dynamics of a brominated dioxane-methoxy-azobenzene under single crystal conditions by means of femtosecond transient absorption (TA) spectroscopy. Upon excitation with 400 nm light, spectral components with decays of 0.72, 2.9, and >10 ps are observed. The fast components of the system correspond to vibrational cooling of the population on the S1 excited state, with a decay to a local minimum in the reaction coordinate, followed by a longer evolution to a dark intermediate state prior to relaxing to the ground state, S0. The long time constant can be used to describe the isomerization process, returning excited population to the ground state. Spectral frequencies observed at 33 and 82 cm−1 suggest that both rotation and inversion occur in the system, with a stronger contribution coming from the latter due to a weakened N–N double bond in the excited state. This information provides insight into the structural nature of modified azobenzene systems and sets the stage for future structural studies of the molecule’s isomerization dynamics.
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Affiliation(s)
- Kamil M. Krawczyk
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
| | - Ryan L. Field
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
| | - Lai Chung Liu
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
| | - Mingxin Dong
- Institute of Neuroregeneration & Neurorehabilitation, Qingdao University, 308 Ningxia Street, Qingdao 266021, China
| | - G. Andrew Woolley
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - R.J. Dwayne Miller
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
- Department of Physics, University of Toronto, 60 St. George Street, Toronto, ON M5S 1A7, Canada
- Max Planck Institute for the Structure and Dynamics of Matter, Building 99 (CFEL), Luruper Chaussee 149, 22761 Hamburg, Germany
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90
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Schober T, Wehl I, Afonin S, Babii O, Iampolska A, Schepers U, Komarov IV, Ulrich AS. Controlling the Uptake of Diarylethene‐Based Cell‐Penetrating Peptides into Cells Using Light. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tim Schober
- Karlsruhe Institute of Technology (KIT)Institute of Organic Chemistry (IOC) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Ilona Wehl
- KIT, Institute of Functional Interfaces (IFG) POB 3640 76021 Karlsruhe Germany
| | - Sergii Afonin
- KIT, Institute of Biological Interfaces (IBG-2) POB 3640 76021 Karlsruhe Germany
| | - Oleg Babii
- KIT, Institute of Biological Interfaces (IBG-2) POB 3640 76021 Karlsruhe Germany
| | - Anna Iampolska
- Taras Shevchenko National University of Kyiv Vul. Volodymyrska 60 01601 Kyiv Ukraine
- Enamine Ltd. Vul. Chervonotkatska 78 02094 Kyiv Ukraine
| | - Ute Schepers
- KIT, Institute of Functional Interfaces (IFG) POB 3640 76021 Karlsruhe Germany
| | - Igor V. Komarov
- Taras Shevchenko National University of Kyiv Vul. Volodymyrska 60 01601 Kyiv Ukraine
- Lumobiotics GmbH Auerstraße 2 76227 Karlsruhe Germany
| | - Anne S. Ulrich
- Karlsruhe Institute of Technology (KIT)Institute of Organic Chemistry (IOC) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
- KIT, Institute of Biological Interfaces (IBG-2) POB 3640 76021 Karlsruhe Germany
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91
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Albert L, Peñalver A, Djokovic N, Werel L, Hoffarth M, Ruzic D, Xu J, Essen L, Nikolic K, Dou Y, Vázquez O. Modulating Protein–Protein Interactions with Visible‐Light‐Responsive Peptide Backbone Photoswitches. Chembiochem 2019; 20:1417-1429. [DOI: 10.1002/cbic.201800737] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Lea Albert
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Alberto Peñalver
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Nemanja Djokovic
- Department of Pharmaceutical ChemistryFaculty of PharmacyUniversity of Belgrade 450 Vojvode Stepe 11000 Belgrade Serbia
| | - Laura Werel
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Malte Hoffarth
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Dusan Ruzic
- Department of Pharmaceutical ChemistryFaculty of PharmacyUniversity of Belgrade 450 Vojvode Stepe 11000 Belgrade Serbia
| | - Jing Xu
- Department of PathologyUniversity of Michigan Ann Arbor MI 48109 USA
| | - Lars‐Oliver Essen
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
| | - Katarina Nikolic
- Department of Pharmaceutical ChemistryFaculty of PharmacyUniversity of Belgrade 450 Vojvode Stepe 11000 Belgrade Serbia
| | - Yali Dou
- Department of PathologyUniversity of Michigan Ann Arbor MI 48109 USA
| | - Olalla Vázquez
- Fachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35043 Marburg Germany
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92
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Schweigert C, Babii O, Afonin S, Schober T, Leier J, Michenfelder NC, Komarov IV, Ulrich AS, Unterreiner AN. Real‐Time Observation of Diarylethene‐Based Photoswitches in a Cyclic Peptide Environment. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900005] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Caroline Schweigert
- Institute of Physical ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 2 76131 Karlsruhe (Germany
| | - Oleg Babii
- Institute of Biological Interfaces (IBG-2)Karlsruhe Institute of Technology (KIT) POB 3640 76021 Karlsruhe Germany
| | - Sergii Afonin
- Institute of Biological Interfaces (IBG-2)Karlsruhe Institute of Technology (KIT) POB 3640 76021 Karlsruhe Germany
| | - Tim Schober
- Institute of Organic ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Julia Leier
- Institute of Physical ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 2 76131 Karlsruhe (Germany
| | - Nadine C. Michenfelder
- Institute of Physical ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 2 76131 Karlsruhe (Germany
| | - Igor V. Komarov
- Taras Shevchenko National University of Kyiv vul. Volodymyrska 60 01601 Kyiv Ukraine
- Lumobiotics GmbH Auer Str. 2 76227 Karlsruhe Germany
| | - Anne S. Ulrich
- Institute of Biological Interfaces (IBG-2)Karlsruhe Institute of Technology (KIT) POB 3640 76021 Karlsruhe Germany
- Institute of Organic ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe Germany
| | - Andreas Neil Unterreiner
- Institute of Physical ChemistryKarlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 2 76131 Karlsruhe (Germany
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93
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Jafari MR, Yu H, Wickware JM, Lin YS, Derda R. Light-responsive bicyclic peptides. Org Biomol Chem 2019; 16:7588-7594. [PMID: 30067270 DOI: 10.1039/c7ob03178e] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, we describe a method for the synthesis of light-responsive (LR) bicyclic macrocycles from linear peptides composed of 20 natural amino acids. Small molecules, peptide macrocycles, and protein conjugates that reversibly turn their function on and off in response to visible light enabled the fields of photopharmacology and optochemical genetics. Bioactive LR molecules could be produced by grafting azobenzene or other LR-structures onto molecules with known biological functions (e.g., alpha-helical peptides). It is also possible to discover such LR ligands de novo by selecting compounds with a desired function-such as binding to a target-from a library of LR-compounds or a genetically-encoded (GE) library of LR-macrocycles. The bicyclic topology of ligands offers added value such as improved binding and stability when compared to monocyclic peptides, but approaches for the design of bicyclic light-responsive architectures are limited. To address this need, we developed a tridentate C2-symmetric hydroxyl amine and di-chlorobenzene containing azobenzene (HADCAz) LR-linker with two orthogonally reactive functionalities (chlorobenzyl and hydroxylamine) to convert a linear unprotected peptide into a bicyclic peptide in a one-pot, two-step reaction. This linker reversibly isomerizes from the trans to cis form upon irradiation with blue light (365 nm). The resulting bicyclic peptide contains two loops of amino acids, one of which is constrained with an azobenzene moiety that can change the conformation in response to visible light. A scalable synthetic route to the HADCAz linker allowed us to demonstrate its application in multiple synthetic bicyclic peptides with loops that contain 2-5 amino acids.
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Affiliation(s)
- Mohammad R Jafari
- Department of Chemistry, University of Alberta, Edmonton, AB T6G2G2, Canada.
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94
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Todorov PT, Peneva PN, Georgieva SI, Tchekalarova J, Vitkova V, Antonova K, Georgiev A. Synthesis, characterization and anticonvulsant activity of new azobenzene-containing VV-hemorphin-5 bio photoswitch. Amino Acids 2019; 51:549-563. [PMID: 30604096 DOI: 10.1007/s00726-018-02691-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 12/20/2018] [Indexed: 11/30/2022]
Abstract
A novel analog of VV-hemorphin-5 containing azobenzene moiety has been synthesized and investigated for anticonvulsant activity in relation to its E → Z photophysical properties activated by long wavelength light at 365 nm. The synthesis was achieved by a modified SPPS by Fmoc-dimerization strategy. The electrochemical behavior before and after UV illumination was investigated using different voltammetric modes. The number of electrons transferred, heterogenic rate constant and diffusion coefficient for E- and Z-isomers were also evaluated. Revealing the governing principles involved in signaling and nerve pulse propagation requires the detailed characterization of the electrical properties of cell membranes. For probing the effect of synthesized azo-peptide on the membrane electrical properties, we measured the specific capacitance of lipid bilayers, representing a basic physical model of biomembranes with their simple reproducibility in laboratory conditions at controlled membrane composition and physicochemical parameters of the surrounding aqueous medium. Our results have shown reduced membrane capacitance in the presence of the azo-peptide, thus providing evidences for possible alterations in the dielectric permittivity of the bilayer. The (Val-Val-Tyr-Pro-Trp-Thr-Gln)2Azo peptide was explored also in vivo for preliminary anticonvulsant activity by using the 6-Hz seizure test and pentylenetetrazol (PTZ) seizure test in mice. The Z-isomer has exhibited higher potency compared to E-isomer most pronouncedly in the 6 Hz test for psychomotor seizures where the compound had activity at all three tested doses. It was found that the Z-isomer decrease the latency for onset of clonic seizures induced by PTZ. These results demonstrate that the Z-isomer deserves further evaluation in other screening tests for anticonvulsant activity.
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Affiliation(s)
- Petar T Todorov
- Department of Organic Chemistry, University of Chemical Technology and Metallurgy, 1756, Sofia, Bulgaria.
| | - Petia N Peneva
- Department of Organic Chemistry, University of Chemical Technology and Metallurgy, 1756, Sofia, Bulgaria
| | - Stela I Georgieva
- Department of Analytical Chemistry, University of Chemical Technology and Metallurgy, 1756, Sofia, Bulgaria
| | - Jana Tchekalarova
- Institute of Neurobiology, Bulgarian Academy of Sciences, 1113, Sofia, Bulgaria
| | - Victoria Vitkova
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 1784, Sofia, Bulgaria
| | - Krassimira Antonova
- Institute of Solid State Physics, Bulgarian Academy of Sciences, 1784, Sofia, Bulgaria
| | - Anton Georgiev
- Department of Organic Chemistry, University of Chemical Technology and Metallurgy, 1756, Sofia, Bulgaria.,Department of Optical Metrology and Holography, Institute of Optical Materials and Technologies, Bulgarian Academy of Science, 1113, Sofia, Bulgaria
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95
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Kortekaas L, Browne WR. The evolution of spiropyran: fundamentals and progress of an extraordinarily versatile photochrome. Chem Soc Rev 2019; 48:3406-3424. [DOI: 10.1039/c9cs00203k] [Citation(s) in RCA: 250] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Spiropyrans have played a pivotal role in the emergence of the field of chromism following their discovery in the early 20th century, with almost ubiquitous use in materials applications especially since their photochromism was discovered in 1952.
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Affiliation(s)
- Luuk Kortekaas
- Molecular Inorganic Chemistry
- Stratingh institute for Chemistry
- University of Groningen
- 9747AG Groningen
- The Netherlands
| | - Wesley R. Browne
- Molecular Inorganic Chemistry
- Stratingh institute for Chemistry
- University of Groningen
- 9747AG Groningen
- The Netherlands
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96
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Gorman SD, D'Amico RN, Winston DS, Boehr DD. Engineering Allostery into Proteins. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1163:359-384. [PMID: 31707711 PMCID: PMC7508002 DOI: 10.1007/978-981-13-8719-7_15] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Our ability to engineer protein structure and function has grown dramatically over recent years. Perhaps the next level in protein design is to develop proteins whose function can be regulated in response to various stimuli, including ligand binding, pH changes, and light. Endeavors toward these goals have tested and expanded on our understanding of protein function and allosteric regulation. In this chapter, we provide examples from different methods for developing new allosterically regulated proteins. These methods range from whole insertion of regulatory domains into new host proteins, to covalent attachment of photoswitches to generate light-responsive proteins, and to targeted changes to specific amino acid residues, especially to residues identified to be important for relaying allosteric information across the protein framework. Many of the examples we discuss have already found practical use in medical and biotechnology applications.
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Affiliation(s)
- Scott D Gorman
- Department of Chemistry, The Pennsylvania State University, University Park, PA, USA
| | - Rebecca N D'Amico
- Department of Chemistry, The Pennsylvania State University, University Park, PA, USA
| | - Dennis S Winston
- Department of Chemistry, The Pennsylvania State University, University Park, PA, USA
| | - David D Boehr
- Department of Chemistry, The Pennsylvania State University, University Park, PA, USA.
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97
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Isfahani F, Ajloo D, Kanaani A, Saboury AA. Photoconversion of an anthraquinone derivative in the presence of human serum albumin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 205:298-311. [PMID: 30029193 DOI: 10.1016/j.saa.2018.07.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 06/28/2018] [Accepted: 07/13/2018] [Indexed: 06/08/2023]
Abstract
Photconversion of an anthraquinone photochrome (AQP) from Trans to Ana forms were studied by different methods and techniques. Solution of AQP was irradiated under UV light in buffer condition, pH = 7.5, 10 mM phosphate buffer in the absence and presence of human serum albumin at 27 and 37 °C. The results showed that a new peak at higher wavelength was observed that indicative of producing the Ana form. Rate of Trans to Ana conversion increases in the presence of human serum albumin (HSA). Electron transport calculations were carried out from the first principles with a method based on non-equilibrium Green's functions (NEGF) combined with DFT. The results showed that electron transport is easier in Ana form due to increasing the resonance length and electron delocalization. Binding study by docking and spectroscopy showed that Trans form has more tendency to interact with HSA due to higher number of HSA-Trans hydrogen bond. Structural studies by circular dichroism and molecular dynamics results show that at lower concentration of AQP, percentage of helix was increased and then decreases at higher concentration. In addition structural parameters such as RMSD, accessible surface area, hydrogen bond, in associated with experimental results showed that protein folded at low concentration.
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Affiliation(s)
| | - Davood Ajloo
- School of Chemistry, Damghan University, Damghan, Iran; Institute of Biological Science, Damghan University, Damghan, Iran.
| | - Ayoub Kanaani
- School of Chemistry, Damghan University, Damghan, Iran
| | - Ali A Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
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98
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Adams RD, Akter H, Smith MD, Tedder JD. The coordination and activation of azobenzene by Ru5(μ5-C) cluster complexes. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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99
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Mueller C, Grossmann TN. Coiled-Coil Peptide Beacon: A Tunable Conformational Switch for Protein Detection. Angew Chem Int Ed Engl 2018; 57:17079-17083. [PMID: 30411434 PMCID: PMC6391972 DOI: 10.1002/anie.201811515] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Indexed: 11/12/2022]
Abstract
The understanding of protein folding and assembly is of central importance for the design of proteins and enzymes with novel or improved functions. Minimalistic model systems, such as coiled-coils, provide an excellent platform to improve this understanding and to construct novel molecular devices. Along those lines, we designed a conformational switch that is composed of two coiled-coil forming peptides and a central binding epitope. In the absence of a binding partner, this switch adopts a hairpin-like conformation that opens upon receptor binding. Variation of the coiled-coil length modulates the strength of the intramolecular constraint. The two conformational states of this switch have been linked with characteristic fluorescent properties, which enables the detection of the receptor in real-time.
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Affiliation(s)
- Carolin Mueller
- VU University Amsterdam, Department of Chemistry & Pharmaceutical Sciences, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Tom N Grossmann
- VU University Amsterdam, Department of Chemistry & Pharmaceutical Sciences, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
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Mueller C, Grossmann TN. Coiled‐Coil Peptide Beacon: A Tunable Conformational Switch for Protein Detection. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811515] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Carolin Mueller
- VU University Amsterdam Department of Chemistry & Pharmaceutical Sciences De Boelelaan 1108 1081 HZ Amsterdam The Netherlands
| | - Tom N. Grossmann
- VU University Amsterdam Department of Chemistry & Pharmaceutical Sciences De Boelelaan 1108 1081 HZ Amsterdam The Netherlands
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