The heme monooxygenase cytochrome P450cam can be engineered to oxidize ethane to ethanol

被引:91
作者
Xu, F
Bell, SG
Lednik, J
Insley, A
Rao, ZH [1 ]
Wong, LL
机构
[1] Tsinghua Univ, Struct Biol Lab, Sch Life Sci & Engn, Beijing 100084, Peoples R China
[2] Inst Biophys, Beijing 100101, Peoples R China
[3] Univ Oxford, Inorgan Chem Lab, Dept Chem, Oxford OX1 3QR, England
关键词
alkane oxidation; heme proteins; iron; metalloenzymes; protein engineering;
D O I
10.1002/anie.200462630
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Graph Presented) A NADH turnover rate of 741 min-1 in the oxidition of ethane to ethanol is observed with an engineered form of the heme monooxygenase cytochrome P450cam - the first example of such activity for a P450 enzyme (CC analysis shown). Ethanol is formed at 78 min-1 (10.5 % coupling). The mutant is ≈45 % high-spin in the absence of substrate, making it a useful platform for P450 structure-function studies. © 2005 Wiley-VCH Verlag GmbH &. Co. KGaA.
引用
收藏
页码:4029 / 4032
页数:4
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