Nitrogenase[nī′trō-jĕ-nās]

Type:Term

Definitions
1. 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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