Glycyl radical activating enzymes: structure, mechanism, and substrate interactions.
Glycyl radical activating enzymes: structure, mechanism, and substrate interactions.
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DOI:
10.1016/j.abb.2014.01.020
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发表时间:
2014-03-15
影响因子:
3.9
通讯作者:
Broderick, Joan B.
中科院分区:
文献类型:
--
作者:
Shisler, Krista A.;Broderick, Joan B.
关键词:
The glycyl radical enzyme activating enzymes (GRE–AEs) are a group of enzymes that belong to the radical S-adenosylmethionine (SAM) superfamily and utilize a [4Fe–4S] cluster and SAM to catalyze H-atom abstraction from their substrate proteins. GRE–AEs activate homodimeric proteins known as glycyl radical enzymes (GREs) through the production of a glycyl radical. After activation, these GREs catalyze diverse reactions through the production of their own substrate radicals. The GRE–AE pyruvate formate lyase activating enzyme (PFL-AE) is extensively characterized and has provided insights into the active site structure of radical SAM enzymes including GRE–AEs, illustrating the nature of the interactions with their corresponding substrate GREs and external electron donors. This review will highlight research on PFL-AE and will also discuss a few GREs and their respective activating enzymes.
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发表时间:
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期刊:
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影响因子:
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