The importance of Val‐157 hydrophobia interaction for papain inhibitory activity of an epoxysuccinyl amino acid derivative
- 9 April 1990
- journal article
- Published by Wiley in FEBS Letters
- Vol. 263 (1) , 134-136
- https://doi.org/10.1016/0014-5793(90)80722-u
Abstract
Based on the crystal structure of the papain‐E‐64‐c complex, 3‐dimensional binding modes of a series of epoxysuccinyl amino acid derivatives to the papain active site have been constructed and the structure‐inhibitory activity relationship has been analyzed using the accessible surface area and nonbonded energy parameters. The result indicates the importance of the hydrophobic interaction between the amino acid side chain of the inhibitor and the papain Val‐157 residue for revealing the potent inhibitory activity.Keywords
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