Flavodoxin is required for the activation of the anaerobic ribonucleotide reductase.
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS(1993)
摘要
The inactive anaerobic ribonucleotide reductase from Escherichia coli is transformed by a multienzyme system and S-adenosylmethionine + NADPH into a radical protein that is enzymatically active. One of the activating enzyme components was earlier shown to be ferredoxin (flavodoxin):NADP+ reductase. Here we present evidence that flavodoxin, but not ferredoxin, also is a component of the system. Light reduced deazaflavin can substitute for the flavodoxin system. An additional unidentified low-molecular weight component further stimulates the reaction.
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关键词
ecology and evolutionary biology,health sciences,ribonucleotide reductase
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