PROBING THE SPECIFICITY OF THE S1-BINDING SITE OF SUBTILISIN CARLSBERG WITH BORONIC ACIDS

被引:14
作者
KELLER, TH [1 ]
SEUFERWASSERTHAL, P [1 ]
JONES, JB [1 ]
机构
[1] UNIV TORONTO,LASH MILLER CHEM LABS,DEPT CHEM,80 ST GEORGE ST,TORONTO M5S 1A1,ONTARIO,CANADA
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1016/0006-291X(91)90938-4
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The binding properties and limitations of the key S1 site of subtilisin Carlsberg have been probed with boronic acid inhibitors bearing structurally varied substituents ranging from small alkyl to large aromatic groups. The data permit structural features favoring, and disfavoring, good S1 binding to be clarified. In addition, applications of electrostatic energy calculations have identified a hitherto unsuspected region of positive potential in the fundamentally hydrophobic S1 pocket, whose interactions with electronegative substituents of inhibitors can make significant binding contributions. © 1991.
引用
收藏
页码:401 / 405
页数:5
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