A mechanism of drug action revealed by structural studies of enoyl reductase

被引:218
作者
Baldock, C
Rafferty, JB
Sedelnikova, SE
Baker, PJ
Stuitje, AR
Slabas, AR
Hawkes, TR
Rice, DW
机构
[1] UNIV SHEFFIELD,DEPT MOL BIOL & BIOTECHNOL,KREBS INST BIOMOL RES,SHEFFIELD S10 2TN,S YORKSHIRE,ENGLAND
[2] VRIJE UNIV AMSTERDAM,BIOCTR AMSTERDA,INST MOL BIOL STUDIES IMBW,DEPT GENET,NL-1081 HV AMSTERDAM,NETHERLANDS
[3] UNIV DURHAM,DEPT BIOL SCI,DURHAM DH1 3LE,ENGLAND
[4] ZENECA AGROCHEM,JEALOTTS HILL RES STN,DEPT EXPLORATORY PLANT SCI,BRACKNELL RG12 6EY,BERKS,ENGLAND
关键词
D O I
10.1126/science.274.5295.2107
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Enoyl reductase (ENR), an enzyme involved in fatty acid biosynthesis, is the target for antibacterial diazaborines and the front-line antituberculosis drug isoniazid. Analysis of the structures of complexes of Escherichia coli ENR with nicotinamide adenine dinucleotide and either thienodiazaborine or benzodiazaborine revealed the formation of a covalent bond between the 2' hydroxyl of the nicotinamide ribose and a boron atom in the drugs to generate a tight, noncovalently bound bisubstrate analog. This analysis has implications for the structure-based design of inhibitors of ENR, and similarities to other oxidoreductases suggest that mimicking this molecular linkage may have generic applications in other areas of medicinal chemistry.
引用
收藏
页码:2107 / 2110
页数:4
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