期刊
CHIRALITY
卷 28, 期 10, 页码 674-685出版社
WILEY
DOI: 10.1002/chir.22630
关键词
benzedrine; chirality; D3R; molecular dynamics simulation; molecular recognition
资金
- National Natural Science Foundation of China [21163024, 21563032]
In order to investigate the chiral benzedrine molecules corresponding to their different characteristics in biochemical systems, we studied their interaction with D3R using the docking method, molecular dynamic simulation, and quantum chemistry. The obtained results indicate that the active residues for R-benzedrine (RAT) bound with D3R are Ala132, Asp133, and Tyr55, while Asn57, Asp133, Asp168, Cys172, Gly54, Trp24, and Vall136 act as the active residues for S-benzedrine (SAT). The different active pockets are observed for ART or SAT because they possess different active residues. The binding energies between RAT and SAT with D3R were determined to be -44.0kJ.mol(-1) and -71.2kJ.mol(-1), respectively. These results demonstrate that SAT within the studied pocket of D3R has a stronger capability of binding with D3R, while it is more feasible for RAT to leave from the interior positions of D3R. In addition, the results suggest that the D3R protein can recognize chiral benzedrine molecules and influence their different addictive and pharmacological effects in biochemical systems. Chirality 28:674-685, 2016. (c) 2016 Wiley Periodicals, Inc.
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