COMPUTER-SIMULATION AND ANALYSIS OF THE REACTION PATHWAY OF TRIOSEPHOSPHATE ISOMERASE

被引：262

作者：

BASH, PA

FIELD, MJ

DAVENPORT, RC

PETSKO, GA

RINGE, D

KARPLUS, M

机构：

[1] HARVARD UNIV,DEPT CHEM,CAMBRIDGE,MA 02138

[2] MIT,DEPT CHEM,CAMBRIDGE,MA 02139

来源：

BIOCHEMISTRY | 1991年 / 30卷 / 24期

关键词：

D O I：

10.1021/bi00238a003

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：

A theoretical approach designed for chemical reactions in the condensed phase is used to determine the energy along the reaction path of the enzyme triosephosphate isomerase. The calculations address the role of the enzyme in lowering the barrier to reaction and provide a decomposition into specific residue contributions. The results suggest that, although Lys- 1 2 is most important, many other residues within 16 angstrom of the substrate contribute and that histidine-95 as the imidazole/imidazolate pair could act as an acid/base catalyst.

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页码：5826 / 5832

页数：7

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