This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amidines. The systematic name of this enzyme class is L-arginine iminohydrolase. Other names in common use include arginine dihydrolase, citrulline iminase, and L-arginine deiminase. This enzyme participates in arginine and proline metabolism. This enzyme is widely expressed in bacteria, including streptococcus and actinomyces. The bacterial arginine deiminase expression could be regulated by various environmental factors.
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LIU Y, BURNE RA (2008). "Environmental and growth phase regulation of the Streptococcus gordonii arginine deiminase genes". Appl Environ Microbiol.74 (16): 5023–5030. doi:10.1128/AEM.00556-08. PMID18552185.