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"J Phys Chem B" Category Publications:
| 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. |
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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... |



