1
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Yoshizawa K, Hirata K, Ishiuchi SI, Fujii M, Zehnacker A. Do Stereochemical Effects Overcome a Charge-Induced Perturbation in Isolated Protonated Cyclo(Tyr-Tyr)? J Phys Chem A 2022; 126:6387-6394. [PMID: 36098637 DOI: 10.1021/acs.jpca.2c03789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two diastereomers of the protonated diketopiperazine (DKP) dipeptide cyclo(Tyr-Tyr), namely, cyclo(LTyr-LTyr)H+ and cyclo(LTyr-DTyr)H+, are studied in a cryogenic ion trap by means of IR photodissociation spectroscopy combined with quantum chemical calculations. The two diastereomers have similar structures in which one of the rings is folded over the DKP ring and the other one is extended in a trans geometry, allowing a strong OH+···π interaction to take place. This contrasts to the observation of a stacked geometry for neutral cyclo(LTyr-LTyr) only under supersonic expansion conditions that do not exist for cyclo(LTyr-DTyr). In the protonated form, the strength of the OH+···π interaction is different for the two diastereomers, resulting in a ∼110 cm-1 difference in the ν(OH+) frequency and a smaller but clearly identifiable difference in the protonated amide ν(NH) frequency. Stereochemical effects are therefore still evidenced despite the strong perturbation due to the excess charge.
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Affiliation(s)
- Koki Yoshizawa
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan.,School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan
| | - Keisuke Hirata
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan.,Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Shun-Ichi Ishiuchi
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan.,Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Masaaki Fujii
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Japan.,School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8503, Japan.,International Research Frontiers Initiative (IRFI), Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Anne Zehnacker
- International Research Frontiers Initiative (IRFI), Institute of Innovative Research, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan.,Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Université Paris-Saclay, Orsay F-91405, France
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2
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Le Barbu-Debus K, Pérez-Mellor A, Lepère V, Zehnacker A. How change in chirality prevents β-amyloid type interaction in a protonated cyclic dipeptide dimer. Phys Chem Chem Phys 2022; 24:19783-19791. [PMID: 35969161 DOI: 10.1039/d2cp03110h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The protonated dimers of the diketopiperazine dipeptide cyclo (LPhe-LHis) and cyclo (LPhe-DHis) are studied by laser spectroscopy combined with mass spectrometry to shed light on the influence of stereochemistry on the clustering propensity of cyclic dipeptides. The marked spectroscopic differences experimentally observed in the hydride stretch region are well accounted for by the results of DFT calculations. Both diastereomeric protonated dimers involve a strong ionic hydrogen bond from the protonated imidazole ring of one monomer to the neutral imidazole nitrogen of the other. While this strong interaction is accompanied by a single NH⋯O hydrogen bond between the amide functions of the two moieties for the protonated dimer of cyclo (LPhe-DHis), that of cyclo (LPhe-LHis) involves two NH⋯O interactions, forming the motif of an antiparallel β sheet. Therefore, a change in chirality of the residue prevents the formation of the β sheet pattern observed in the amyloid type aggregation. These results emphasize the peculiar role of the histidine residue in peptide structure and interaction.
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Affiliation(s)
- Katia Le Barbu-Debus
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Université Paris-Saclay, F-91405 Orsay, France.
| | - Ariel Pérez-Mellor
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Université Paris-Saclay, F-91405 Orsay, France.
| | - Valéria Lepère
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Université Paris-Saclay, F-91405 Orsay, France.
| | - Anne Zehnacker
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Université Paris-Saclay, F-91405 Orsay, France.
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3
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Dupont J, Guillot R, Lepère V, Zehnacker A. Jet-cooled laser spectroscopy and solid-state vibrational circular dichroism of the cyclo-(Tyr-Phe) diketopiperazine dipeptide. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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4
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Bakels S, Stroganova I, Rijs AM. Probing the formation of isolated cyclo-FF peptide clusters by far-infrared action spectroscopy. Phys Chem Chem Phys 2021; 23:20945-20956. [PMID: 34545387 DOI: 10.1039/d1cp03237b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Small cyclic peptides containing phenylalanine residues are prone to aggregate in the gas phase into highly hydrophobic chains. A combination of laser desorption, mass spectrometry and conformational selective IR-UV action spectroscopy allows us to obtain detailed structural insights into the formation processes of the cyclic L-phenylalanyl-L-phenylalanine dipeptide (named cyclo-FF) aggregates. The rigid properties of cyclo-FF result in highly resolved IR spectra for the smaller clusters (n ≤ 3) and corresponding conformational assignments. For the higher order clusters (n > 3) the spectra are less resolved, however the observed ratios, peak positions and trends in IR shifts are key to make predictions on their structural details. Whereas the mid-IR spectral region between 1000-1800 cm-1 turns out to be undiagnostic for these small aggregates and the 3 μm region only for specific calculated structures, the far-IR contains valuable information that allows for clear assignments.
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Affiliation(s)
- Sjors Bakels
- Radboud University, FELIX Laboratory, Institute for Molecules and Materials, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
| | - Iuliia Stroganova
- Division of BioAnalytical Chemistry, AIMMS Amsterdam Institute of Molecular and Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HV, Amsterdam, The Netherlands. .,Radboud University, FELIX Laboratory, Institute for Molecules and Materials, Toernooiveld 7, 6525 ED Nijmegen, The Netherlands
| | - Anouk M Rijs
- Division of BioAnalytical Chemistry, AIMMS Amsterdam Institute of Molecular and Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HV, Amsterdam, The Netherlands.
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5
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Pérez-Mellor A, Le Barbu-Debus K, Zehnacker A. Solid-state synthesis of cyclo LD-diphenylalanine: A chiral phase built from achiral subunits. Chirality 2020; 32:693-703. [PMID: 32078197 DOI: 10.1002/chir.23195] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 02/06/2020] [Accepted: 02/07/2020] [Indexed: 12/21/2022]
Abstract
The solid-state structure of LL/DD or LD/DL diphenylalanine diluted in KBr pellets is studied by infrared (IR) absorption and vibrational circular dichroism (VCD) spectroscopy. The structure depends on the absolute configuration of the residues. The natural LL diphenylalanine exists as a mixture of neutral and zwitterionic structures, depending on the humidity of the sample, while mostly the zwitterion is observed for LD diphenylalanine whatever the experimental conditions. The system undergoes spontaneous cyclization upon heating at 125°C, resulting to the formation of a diketopiperazine (DKP) dipeptide as the only product. The reaction is faster for LD than for LL diphenylalanine. As expected, LL and DD diphenylalanine react to form the LL and DD enantiomers of cyclo diphenylalanine. Interestingly, the DKP dipeptides formed from the LD or DL diphenylalanine show unexpected optical activity, with opposite VCD spectra for the products formed from the LD and DL reagents. This is explained in terms of chirality synchronization between the monomers within the crystal, which retain the symmetry of the reagent, resulting to the formation of a new chiral phase made from transiently chiral molecules.
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Affiliation(s)
- Ariel Pérez-Mellor
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, University Paris-Sud, Université Paris-Saclay, Orsay, France
| | - Katia Le Barbu-Debus
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, University Paris-Sud, Université Paris-Saclay, Orsay, France
| | - Anne Zehnacker
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, University Paris-Sud, Université Paris-Saclay, Orsay, France
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6
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Safaryan S, Slabov V, Kopyl S, Romanyuk K, Bdikin I, Vasilev S, Zelenovskiy P, Shur VY, Uslamin EA, Pidko EA, Vinogradov AV, Kholkin AL. Diphenylalanine-Based Microribbons for Piezoelectric Applications via Inkjet Printing. ACS APPLIED MATERIALS & INTERFACES 2018; 10:10543-10551. [PMID: 29498259 DOI: 10.1021/acsami.7b19668] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Peptide-based nanostructures are very promising for nanotechnological applications because of their excellent self-assembly properties, biological and chemical flexibility, and unique multifunctional performance. However, one of the limiting factors for the integration of peptide assemblies into functional devices is poor control of their alignment and other geometrical parameters required for device fabrication. In this work, we report a novel method for the controlled deposition of one of the representative self-assembled peptides-diphenylalanine (FF)-using a commercial inkjet printer. The initial FF solution, which has been shown to readily self-assemble into different structures such as nano- and microtubes and microrods, was modified to be used as an efficient ink for the printing of aligned FF-based structures. Furthermore, during the development of the suitable ink, we were able to produce a novel type of FF conformation with high piezoelectric response and excellent stability. By using this method, ribbonlike microcrystals based on FF could be formed and precisely patterned on different surfaces. Possible mechanisms of structure formation and piezoelectric effect in printed microribbons are discussed along with the possible applications.
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Affiliation(s)
- Sofia Safaryan
- Laboratory of Solution Chemistry of Advanced Materials and Technologies , ITMO University , St. Petersburg 197101 , Russian Federation
| | - Vladislav Slabov
- Laboratory of Solution Chemistry of Advanced Materials and Technologies , ITMO University , St. Petersburg 197101 , Russian Federation
| | - Svitlana Kopyl
- Department of Physics & CICECO-Aveiro Institute of Materials , University of Aveiro , 3810-193 Aveiro , Portugal
| | - Konstantin Romanyuk
- Department of Physics & CICECO-Aveiro Institute of Materials , University of Aveiro , 3810-193 Aveiro , Portugal
- School of Natural Sciences and Mathematics , Ural Federal University , Ekaterinburg 620000 , Russian Federation
| | - Igor Bdikin
- Department of Mechanical Engineering & TEMA- Centre for Mechanical Technology and Automation , University of Aveiro , 3810-193 Aveiro , Portugal
| | - Semen Vasilev
- School of Natural Sciences and Mathematics , Ural Federal University , Ekaterinburg 620000 , Russian Federation
| | - Pavel Zelenovskiy
- School of Natural Sciences and Mathematics , Ural Federal University , Ekaterinburg 620000 , Russian Federation
| | - Vladimir Ya Shur
- School of Natural Sciences and Mathematics , Ural Federal University , Ekaterinburg 620000 , Russian Federation
| | - Evgeny A Uslamin
- Inorganic Materials Chemistry Group , Eindhoven University of Technology , PO Box 513, Eindhoven 5600 MB , The Netherlands
| | - Evgeny A Pidko
- Laboratory of Solution Chemistry of Advanced Materials and Technologies , ITMO University , St. Petersburg 197101 , Russian Federation
- Inorganic Materials Chemistry Group , Eindhoven University of Technology , PO Box 513, Eindhoven 5600 MB , The Netherlands
| | - Alexander V Vinogradov
- Laboratory of Solution Chemistry of Advanced Materials and Technologies , ITMO University , St. Petersburg 197101 , Russian Federation
| | - Andrei L Kholkin
- Department of Physics & CICECO-Aveiro Institute of Materials , University of Aveiro , 3810-193 Aveiro , Portugal
- School of Natural Sciences and Mathematics , Ural Federal University , Ekaterinburg 620000 , Russian Federation
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7
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BenNasr F, Pérez-Mellor A, Alata I, Lepere V, Jaïdane NE, Zehnacker A. Stereochemistry-dependent hydrogen bonds stabilise stacked conformations in jet-cooled cyclic dipeptides: (LD) vs. (LL) cyclo tyrosine-tyrosine. Faraday Discuss 2018; 212:399-419. [PMID: 30229773 DOI: 10.1039/c8fd00079d] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Tyrosine-containing cyclic dipeptides based on a diketopiperazine (DKP) ring are studied under jet-cooled conditions using resonance-enhanced multi-photon ionisation (REMPI), conformer-selective IR-UV double resonance vibrational spectroscopy and quantum chemical calculations. The conformational landscape of the dipeptide containing natural L tyrosine (Tyr), namely c-LTyr-LTyr strongly differs from that of its diastereomer c-LTyr-DTyr. A similar family of conformers exists in both systems, with one aromatic ring folded on the dipeptide DKP ring and the other one extended. Weak NHπ and CHπ interactions are observed, which are slightly different in c-LTyr-LTyr and c-LTyr-DTyr. These structures are identical to those of LL and LD cyclo diphenylalanine, which only differ from c-Tyr-Tyr by the absence of hydroxyl on the benzene rings. While this is the only conformation observed for c-LTyr-DTyr, c-LTyr-LTyr exhibits an additional form stabilised by the interaction of the two hydroxyls, in which the two aromatic rings are in a stacked geometry. Stereochemical effects are still visible in the radical cation, for which one structure is observed for c-LTyr-DTyr, while the spectrum of the c-LTyr-LTyr radical cation is explained in terms of two co-existing structures.
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Affiliation(s)
- Feriel BenNasr
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France. and Laboratoire de Spectroscopie Atomique, Moléculaire et Applications (LSAMA), Université de Tunis El Manar, Tunis 1060, Tunisia
| | - Ariel Pérez-Mellor
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France.
| | - Ivan Alata
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France.
| | - Valeria Lepere
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France.
| | - Nejm-Eddine Jaïdane
- Laboratoire de Spectroscopie Atomique, Moléculaire et Applications (LSAMA), Université de Tunis El Manar, Tunis 1060, Tunisia
| | - Anne Zehnacker
- Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France.
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8
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Alata I, Pérez-Mellor A, Ben Nasr F, Scuderi D, Steinmetz V, Gobert F, Jaïdane NE, Zehnacker-Rentien A. Does the Residues Chirality Modify the Conformation of a Cyclo-Dipeptide? Vibrational Spectroscopy of Protonated Cyclo-diphenylalanine in the Gas Phase. J Phys Chem A 2017; 121:7130-7138. [DOI: 10.1021/acs.jpca.7b06159] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ivan Alata
- Institut
des Sciences Moléculaires d’Orsay, CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France
| | - Ariel Pérez-Mellor
- Institut
des Sciences Moléculaires d’Orsay, CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France
| | - Feriel Ben Nasr
- Institut
des Sciences Moléculaires d’Orsay, CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France
- Laboratoire
de Spectroscopie Atomique Moléculaire et Applications, Université de Tunis El Manar, Tunis 1060, Tunisia
| | - Debora Scuderi
- Laboratoire
de Chimie Physique, CNRS, UMR8000, Univ. Paris-Sud, Orsay F-91405, France
| | - Vincent Steinmetz
- Laboratoire
de Chimie Physique, CNRS, UMR8000, Univ. Paris-Sud, Orsay F-91405, France
| | - Fabrice Gobert
- Laboratoire
de Chimie Physique, CNRS, UMR8000, Univ. Paris-Sud, Orsay F-91405, France
| | - Nejm-Eddine Jaïdane
- Laboratoire
de Spectroscopie Atomique Moléculaire et Applications, Université de Tunis El Manar, Tunis 1060, Tunisia
| | - Anne Zehnacker-Rentien
- Institut
des Sciences Moléculaires d’Orsay, CNRS, Univ. Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France
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9
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Pérez-Mellor A, Zehnacker A. Vibrational circular dichroism of a 2,5-diketopiperazine (DKP) peptide: Evidence for dimer formation in cyclo LL or LD diphenylalanine in the solid state. Chirality 2017; 29:89-96. [DOI: 10.1002/chir.22674] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Revised: 11/12/2016] [Accepted: 11/14/2016] [Indexed: 12/24/2022]
Affiliation(s)
- Ariel Pérez-Mellor
- Institut des Sciences Moléculaires d'Orsay (ISMO); CNRS and Univ Paris-Sud, Université Paris-Saclay; Orsay France
| | - Anne Zehnacker
- Institut des Sciences Moléculaires d'Orsay (ISMO); CNRS and Univ Paris-Sud, Université Paris-Saclay; Orsay France
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10
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Manchineella S, Govindaraju T. Molecular Self-Assembly of Cyclic Dipeptide Derivatives and Their Applications. Chempluschem 2016; 82:88-106. [PMID: 31961506 DOI: 10.1002/cplu.201600450] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 10/20/2016] [Indexed: 01/08/2023]
Abstract
Cyclic dipeptides (CDPs) are heterocyclic 2,5-diketopiperazines with exceptional structural rigidity, enzymatic stability, and biological activity, exhibiting a substantial tendency to take part in intermolecular interactions. Strong intermolecular interactions driven by unique hydrogen bonding patterns render CDPs with a high propensity to undergo molecular self-assembly. In this Review, the aim is to provide a comprehensive summary of design strategies used to engineer the molecular self-assembly of CDPs into functional nano- and micro-architectures and molecular gels with potential applications in biomedical and materials engineering fields.
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Affiliation(s)
- Shivaprasad Manchineella
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bengaluru, Karnataka, 560064, India
| | - T Govindaraju
- Bioorganic Chemistry Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bengaluru, Karnataka, 560064, India
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11
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Arnon ZA, Vitalis A, Levin A, Michaels TCT, Caflisch A, Knowles TPJ, Adler-Abramovich L, Gazit E. Dynamic microfluidic control of supramolecular peptide self-assembly. Nat Commun 2016; 7:13190. [PMID: 27779182 PMCID: PMC5093325 DOI: 10.1038/ncomms13190] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 09/12/2016] [Indexed: 12/24/2022] Open
Abstract
The dynamic nature of supramolecular polymers has a key role in their organization. Yet, the manipulation of their dimensions and polarity remains a challenge. Here, the minimalistic diphenylalanine building block was applied to demonstrate control of nano-assemblies growth and shrinkage using microfluidics. To fine-tune differential local environments, peptide nanotubes were confined by micron-scale pillars and subjected to monomer flows of various saturation levels to control assembly and disassembly. The small-volume device allows the rapid adjustment of conditions within the system. A simplified kinetic model was applied to calculate parameters of the growth mechanism. Direct real-time microscopy analysis revealed that different peptide derivatives show unidirectional or bidirectional axial dimension variation. Atomistic simulations show that unidirectional growth is dictated by the differences in the axial ends, as observed in the crystalline order of symmetry. This work lays foundations for the rational control of nano-materials dimensions for applications in biomedicine and material science.
The organization of supramolecular peptide polymers determines their properties; however, controlling their dimensions still remains a problem. Here, Gazit et al. show the spontaneous elongation and shortening of these polymers at an individual nano-assembly level by using a microfluidic platform.
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Affiliation(s)
- Zohar A Arnon
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Andreas Vitalis
- Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Aviad Levin
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Thomas C T Michaels
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Amedeo Caflisch
- Department of Biochemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Tuomas P J Knowles
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Lihi Adler-Abramovich
- Department of Oral Biology, The Goldschleger School of Dental Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ehud Gazit
- Department of Molecular Microbiology and Biotechnology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel.,Department of Materials Science and Engineering, Iby and Aladar Fleischman Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
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12
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Märker K, Paul S, Fernández-de-Alba C, Lee D, Mouesca JM, Hediger S, De Paëpe G. Welcoming natural isotopic abundance in solid-state NMR: probing π-stacking and supramolecular structure of organic nanoassemblies using DNP. Chem Sci 2016; 8:974-987. [PMID: 28451235 PMCID: PMC5354064 DOI: 10.1039/c6sc02709a] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 10/18/2016] [Indexed: 11/29/2022] Open
Abstract
The low natural abundance of 13C combined with MAS-DNP enables 13C–13C polarization transfer up to ∼7 Å and observation of π-stacking.
The self-assembly of small organic molecules is an intriguing phenomenon, which provides nanoscale structures for applications in numerous fields from medicine to molecular electronics. Detailed knowledge of their structure, in particular on the supramolecular level, is a prerequisite for the rational design of improved self-assembled systems. In this work, we prove the feasibility of a novel concept of NMR-based 3D structure determination of such assemblies in the solid state. The key point of this concept is the deliberate use of samples that contain 13C at its natural isotopic abundance (NA, 1.1%), while exploiting magic-angle spinning dynamic nuclear polarization (MAS-DNP) to compensate for the reduced sensitivity. Since dipolar truncation effects are suppressed to a large extent in NA samples, unique and highly informative spectra can be recorded which are impossible to obtain on an isotopically labeled system. On the self-assembled cyclic diphenylalanine peptide, we demonstrate the detection of long-range internuclear distances up to ∼7 Å, allowing us to observe π-stacking through 13C–13C correlation spectra, providing a powerful tool for the analysis of one of the most important non-covalent interactions. Furthermore, experimental polarization transfer curves are in remarkable agreement with numerical simulations based on the crystallographic structure, and can be fully rationalized as the superposition of intra- and intermolecular contributions. This new approach to NMR crystallography provides access to rich and precise structural information, opening up a new avenue to de novo crystal structure determination by NMR.
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Affiliation(s)
- Katharina Märker
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
| | - Subhradip Paul
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
| | - Carlos Fernández-de-Alba
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
| | - Daniel Lee
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
| | - Jean-Marie Mouesca
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
| | - Sabine Hediger
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France.,CNRS , MEM , F-38000 Grenoble , France
| | - Gaël De Paëpe
- Univ. Grenoble Alpes , INAC , F-38000 Grenoble , France . .,CEA , INAC , F-38000 Grenoble , France
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13
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Bianchi RC, da Silva ER, Dall'Antonia LH, Ferreira FF, Alves WA. A nonenzymatic biosensor based on gold electrodes modified with peptide self-assemblies for detecting ammonia and urea oxidation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:11464-73. [PMID: 25188339 DOI: 10.1021/la502315m] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
We have developed a nonenzymatic biosensor for the detection of ammonia and urea oxidation based on the deposition of peptide microstructures onto thiolated gold electrodes. FF-MNSs/MCP/Au assemblies were obtained by modifying gold substrates with 4-mercaptopyridine (MCP), followed by coating with l,l-diphenylalanine micro/nanostructures (FF-MNSs) grown in the solid-vapor phase. Benzene rings and amide groups with peptide micro/nanostructures interact with synthetic NH4(+) receptors through cation-π and hydrogen bonding. AuOH clusters on the Au surface provided the catalytic sites. The application of a predetermined concentration of analytes at the peptide interfaces activated the catalytic sites. We observed a relationship between the stability of films and the crystal structure of peptides, and we organized the FF-MNSs into an orthorhombic symmetry that was the most suitable assembly for creation of our biosensors. At 0.1 mol L(-1) NaOH, these FF-MNSs/MCP/Au electrodes have electrocatalytic properties regarding ammonia and urea oxidation that are comparable to those of enzyme-based architectures. Under optimal conditions, the electrocatalytic response is proportional to the ammonia and urea concentration in the range 0.1-1.0 mmol L(-1). The sensitivity was calculated as 2.83 and 81.3 μA mmol L(-1) cm(-2) for ammonia and urea, respectively, at +0.40 V (vs SCE). Our detection method is easy to follow, does not require a mediator or enzyme, and has strong potential for detecting urea via nonenzymatic routes.
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Affiliation(s)
- Roberta C Bianchi
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC , 09210-580 Santo André, SP Brazil
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Jeon J, Shell MS. Self-Assembly of Cyclo-diphenylalanine Peptides in Vacuum. J Phys Chem B 2014; 118:6644-52. [DOI: 10.1021/jp501503x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Joohyun Jeon
- Department of Chemical Engineering, University of California Santa Barbara, Santa Barbara, California 93106-5080, United States
| | - M. Scott Shell
- Department of Chemical Engineering, University of California Santa Barbara, Santa Barbara, California 93106-5080, United States
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Souza MI, Silva ER, Jaques YM, Ferreira FF, Fileti EE, Alves WA. The role of water and structure on the generation of reactive oxygen species in peptide/hypericin complexes. J Pept Sci 2014; 20:554-62. [DOI: 10.1002/psc.2651] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Revised: 04/16/2014] [Accepted: 04/18/2014] [Indexed: 11/09/2022]
Affiliation(s)
- Márcia I. Souza
- Centro de Ciências Naturais e Humanas; Universidade Federal do ABC; 09210-170 Santo André SP Brazil
| | - Emerson R. Silva
- Centro de Ciências Naturais e Humanas; Universidade Federal do ABC; 09210-170 Santo André SP Brazil
| | - Ygor M. Jaques
- Centro de Ciências Naturais e Humanas; Universidade Federal do ABC; 09210-170 Santo André SP Brazil
| | - Fabio F. Ferreira
- Centro de Ciências Naturais e Humanas; Universidade Federal do ABC; 09210-170 Santo André SP Brazil
| | - Eudes E. Fileti
- Instituto de Ciência e Tecnologia; Universidade Federal de São Paulo; 12231-280 São José dos Campos SP Brazil
| | - Wendel A. Alves
- Centro de Ciências Naturais e Humanas; Universidade Federal do ABC; 09210-170 Santo André SP Brazil
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Lee JS, Yoon I, Kim J, Ihee H, Kim B, Park CB. Self-Assembly of Semiconducting Photoluminescent Peptide Nanowires in the Vapor Phase. Angew Chem Int Ed Engl 2010; 50:1164-7. [DOI: 10.1002/anie.201003446] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2010] [Revised: 11/16/2010] [Indexed: 11/06/2022]
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Self-Assembly of Semiconducting Photoluminescent Peptide Nanowires in the Vapor Phase. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201003446] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Umezawa Y, Tsuboyama S, Takahashi H, Uzawa J, Nishio M. CH/pi interaction in the conformation of peptides. A database study. Bioorg Med Chem 1999; 7:2021-6. [PMID: 10530951 DOI: 10.1016/s0968-0896(99)00123-6] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A study was carried out, with use of the Cambridge Structural Database, to examine the role of the CH/pi interaction in the conformation of peptides. A number of short intramolecular CH/pi distances have been shown in the crystal structure of peptides bearing at least an aromatic residue in the sequence. The molecular structure in the crystal was inspected individually to know whether the conformation is merely a consequence of the so-called packing forces, or the CH/pi interaction plays a role. It has been demonstrated that the CH/pi interaction constitutes one of the key factors in controlling the conformation of peptides.
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Affiliation(s)
- Y Umezawa
- Institute of Microbial Chemistry, Tokyo, Japan
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Yamazaki T, Nunami K, Goodman M. Cyclic retro-inverso dipeptides with two aromatic side chains. II. Conformational analysis. Biopolymers 1991; 31:1513-28. [PMID: 1814501 DOI: 10.1002/bip.360311308] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The conformations of cis and trans cyclic retro-inverso dipeptides--2-[(4-hydroxy)benzyl]-5-benzyl-4,6(1H,2H,3H,5H)-pyrimidinedi one (c[mTyr-gPhe]), and 2-benzyl-5-amino-5-[(4-hydroxy)benzyl]-4,6(1H,2H,3H,5H)-pyrimidinedione (c[mTyr-gPhe]), and 2-benzyl-5-amino-5-[(4-hydroxy)benzyl]-4,6(1H,2H,3H,5H)-pyrimidinedione (c[(alpha-amino)mTyr-gPhe])--and the parent cyclic dipeptides--c[tyrosyl-phenylalanine] (cis-c[L-Tyr-L-Phe]) and c[tyrosyl-D-phenylalanine] (trans-c[L-Tyr-D-Phe])--were studied by using 1H-nmr spectroscopy and semiempirical energy calculations. In the cis compounds of all the cyclic retro-inverso and parent dipeptides, the most stable conformer has both aromatic side chains sharing the space over the backbone ring in a "face-to-face" fashion. All the trans compounds predominantly assume a "sandwich" conformation in which the two aromatic rings are folded back over the backbone ring on opposite sides. However, different conformational preferences were observed for the backbones between the retro-inverso and parent cyclic dipeptides. The parent cyclic dipeptide trans-c[L-Tyr-D-Phe] adopts two types of boat structures with different side-chain orientations in almost equal amounts: one with the Tyr side chain in a pseudoaxial position and the Phe side chain in a pseudoequatorial position, the other with the Tyr side chain in a pseudoequatorial position and the Phe side chain in a pseudoaxial position. On the other hand, the cyclic retro-inverso dipeptides trans-c[mPhe-gTyr] and trans c[mTyr-gPhe] assume only one type of boat structure in which the malonyl side chain is in a pseudoequatorial and the gem-diamino side chain is in a pseudoaxial position. In addition to the preferred conformations, the conformational energies of the C alpha--C beta bonds in the malonyl and gem-diamino residues were estimated from the temperature variation of vicinal 1H--1H coupling constants for the H--C alpha--C beta--H groupings observed for the trans isomers of cyclic retro-inverso dipeptides. The energies were evaluated to be 1.1 and 1.8 kcal mol-1 for the malonyl and gem-diamino residues, respectively. Applying these energies to the parent cyclic dipeptide trans-c[L-Tyr-D-Phe], the observed fractions of three side-chain conformations are reasonably reproduced. The conformational energies as well as conformational properties of the molecules estimated in this investigation may be useful to refine force constants for both parent and retro-inverso peptides with aromatic side chains.
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Affiliation(s)
- T Yamazaki
- Department of Chemistry, University of California, San Diego, La Jolla 92093-0343
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