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Keyword - Nitrogen fixation (KW-0535)


Protein involved in nitrogen fixation, the reduction of gaseous nitrogen to ammonia. This process is carried out only by prokaryotes who are either free-living or form symbiotic associations with plants or other organisms (e.g. termites, protozoa).


Biological process

Gene Ontology


nitrogen fixation [ GO:0009399 ]


Nitrogen fixationBiological process
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