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nitrogenase

Pronunciation: ni'tro-je-nas

Definition: Formerly a general term used to describe enzyme systems that catalyze the reduction of molecular nitrogen to ammonia in nitrogen-fixing bacteria; now specifically applied to enzymes that carry out this reaction with reduced ferredoxin and ATP; typically nitrogenase consists of two components, the first of which reduces N2 whereas the second transfers electrons.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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