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"J Phys Chem B" Category Publications:

Title Authors PubMed ID
1 Evidence of Simultaneous Spectral Hole Burning Involving Two Tiers of the Protein Energy Landscape in Cytochrome b6f. Shafiei G, Levenberg A, Lujan MA, Picorel R, Zazubovich V 31763829
PHYSICS
2 How Well Does the Hole-Burning Action Spectrum Represent the Site-Distribution Function of the Lowest-Energy State in Photosynthetic Pigment-Protein Complexes? Zazubovich V, Jankowiak R 31265294
CHEMISTRY
3 Comparison of Electronic and Physicochemical Properties between Imidazolium-Based and Pyridinium-Based Ionic Liquids. Wu C, De Visscher A, Gates ID 29889524
ENCS
4 Low-temperature protein dynamics of the B800 molecules in the LH2 light-harvesting complex: spectral hole burning study and comparison with single photosynthetic complex spectroscopy. Grozdanov D, Herascu N, Reinot T, Jankowiak R, Zazubovich V 20166717
PHYSICS
5 Parameters of the protein energy landscapes of several light-harvesting complexes probed via spectral hole growth kinetics measurements. Herascu N, Najafi M, Amunts A, Pieper J, Irrgang KD, Picorel R, Seibert M, Zazubovich V 21391534
PHYSICS
6 Effects of the distributions of energy or charge transfer rates on spectral hole burning in pigment-protein complexes at low temperatures. Herascu N, Ahmouda S, Picorel R, Seibert M, Jankowiak R, Zazubovich V 22046956
PHYSICS
7 Spectral hole burning, recovery, and thermocycling in chlorophyll-protein complexes: distributions of barriers on the protein energy landscape. Najafi M, Herascu N, Seibert M, Picorel R, Jankowiak R, Zazubovich V 22957798
PHYSICS
8 Modeling of various optical spectra in the presence of slow excitation energy transfer in dimers and trimers with weak interpigment coupling: FMO as an example. Herascu N, Kell A, Acharya K, Jankowiak R, Blankenship RE, Zazubovich V 24506338
PHYSICS
9 Fluorescence line narrowing and Δ-FLN spectra in the presence of excitation energy transfer between weakly coupled chromophores. Zazubovich V 25369116
PHYSICS
10 Conformational Changes in Pigment-Protein Complexes at Low Temperatures-Spectral Memory and a Possibility of Cooperative Effects. Najafi M, Herascu N, Shafiei G, Picorel R, Zazubovich V 25985255
PHYSICS
11 Monte Carlo Modeling of Spectral Diffusion Employing Multiwell Protein Energy Landscapes: Application to Pigment-Protein Complexes Involved in Photosynthesis. Najafi M, Zazubovich V 26020801
PHYSICS
12 Probing Energy Landscapes of Cytochrome b6f with Spectral Hole Burning: Effects of Deuterated Solvent and Detergent. Levenberg A, Shafiei G, Lujan MA, Giannacopoulos S, Picorel R, Zazubovich V 28956922
PHYSICS
13 Effect of Saturated Very Long-Chain Fatty Acids on the Organization of Lipid Membranes: A Study Combining (2)H NMR Spectroscopy and Molecular Dynamics Simulations Adrian Paz Ramos 27351151
CERMM
14 Spectral Hole Burning in Cyanobacterial Photosystem I with P700 in Oxidized and Neutral States. Herascu N, Hunter MS, Shafiei G, Najafi M, Johnson TW, Fromme P, Zazubovich V 27661089
CHEMBIOCHEM
15 Mechanism of the Nitric Oxide Dioxygenase Reaction of Mycobacterium tuberculosis Hemoglobin N Lavinia A Carabet 28835102
CERMM
16 Cation-π Interactions between Quaternary Ammonium Ions and Amino Acid Aromatic Groups in Aqueous Solution Esam A Orabi 29397727
CERMM
17 Modeling Protein S-Aromatic Motifs Reveals Their Structural and Redox Flexibility Esam A Orabi 29533644
CERMM

 

Title:Modeling Protein S-Aromatic Motifs Reveals Their Structural and Redox Flexibility
Authors:Esam A Orabi
Link:https://pubmed.ncbi.nlm.nih.gov/29533644/
DOI:10.1021/acs.jpcb.8b00089
Publication:The journal of physical chemistry. B
Keywords:
PMID:29533644 Category:J Phys Chem B Date Added:2019-05-31
Dept Affiliation: CERMM
1 Centre for Research in Molecular Modeling (CERMM) and PROTEO , Department of Chemistry and Biochemistry , Concordia University , 7141 Sherbrooke Street West , Montréal , Québec H4B 1R6 , Canada.

Description:

S-aromatic motifs are important noncovalent forces for protein stability and function but remain poorly understood. Hence, we performed quantum calculations at the MP2(full)/6-311++G(d,p) level on complexes between Cys (H(2)S, MeSH) and Met (Me(2)S) models with models of Phe (benzene, toluene), Trp (indole, 3-methylindole), Tyr (phenol, 4-methylphenol), and His (imidazole, 4-methylimidazole). The most stable gas-phase conformers exhibit binding energies of -2 to -6 kcal/mol, and the S atom lies...




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