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The chemical reactions and pathways involving various organic and inorganic nitrogenous compounds; includes nitrogen fixation, nitrification, denitrification, assimilatory/dissimilatory nitrate reduction and the interconversion of nitrogenous organic matter and ammonium. The process by which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide. The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: nitrogen fixation
Acc: GO:0009399
Aspect: Biological Process
Desc: The process by which nitrogen is taken from its relatively inert molecular form (N2) in the atmosphere and converted into nitrogen compounds useful for other chemical processes, such as ammonia, nitrate and nitrogen dioxide.
Proteins in PDR annotated with:
   This term: 30 [Search]
   Term or descendants: 30 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0009399 - nitrogen fixation (interactive image map)
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