A serine-substituted P450 catalyzes highly efficient carbene transfer to olefins in vivo.
A serine-substituted P450 catalyzes highly efficient carbene transfer to olefins in vivo.
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DOI:
10.1038/nchembio.1278
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发表时间:
2013-08
影响因子:
14.8
通讯作者:
Brustad EM
中科院分区:
文献类型:
--
作者:
Coelho PS;Wang ZJ;Ener ME;Baril SA;Kannan A;Arnold FH;Brustad EM
Genetically encoded catalysts for non-natural chemical reactions will open new routes to sustainable production of chemicals. We designed a unique serine-heme ligated cytochrome “P411” that catalyzes efficient and selective carbene transfers from diazoesters to olefins in intact Escherichia coli cells. The mutation C400S in cytochrome P450BM3 gives a signature ferrous-CO Soret peak at 411 nm, abolishes monooxygenation activity, raises the resting state FeIII/II reduction potential, and significantly improves NAD(P)H-driven cyclopropanation activity.
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DOI:
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