Term Name:	protein-arginine deiminase activity
Synonyms:	peptidylarginine deiminase activity, protein-L-arginine iminohydrolase activity
Definition:	Catalysis of the reaction: H2O + L-arginyl-[protein] = L-citrullyl-[protein] + NH4+, resulting in citrullination of the target protein. This reaction is calcium-dependent.
Ontology:	GO: Molecular Function [GO:0004668]    QuickGO    AmiGO