Keyword search (4,164 papers available)

"Esam A Orabi" Authored Publications:

Title Authors PubMed ID
1 Polarizable Interaction Model for Liquid, Supercritical, and Aqueous Ammonia Esam A Orabi 26583551
CERMM
2 Molecular Dynamics Investigation of Alkali Metal Ions in Liquid and Aqueous Ammonia Esam A Orabi 26583725
CERMM
3 Simulation of Liquid and Supercritical Hydrogen Sulfide and of Alkali Ions in the Pure and Aqueous Liquid Esam A Orabi 26588292
CERMM
4 Cation-π and π-π Interactions in Aqueous Solution Studied Using Polarizable Potential Models Esam A Orabi 26592880
CERMM
5 Cation-π Interactions between Quaternary Ammonium Ions and Amino Acid Aromatic Groups in Aqueous Solution Esam A Orabi 29397727
CERMM
6 Modeling Protein S-Aromatic Motifs Reveals Their Structural and Redox Flexibility Esam A Orabi 29533644
CERMM
7 A Simple Additive Potential Model for Simulating Hydrogen Peroxide in Chemical and Biological Systems Esam A Orabi 29630362
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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