PADI4 is an enzyme responsible for the conversion of arginine residues to citrulline residues. This protein may play a role in granulocyte and macrophage development leading to inflammation and immune response.This gene is a member of a gene family which encodes enzymes responsible for the conversion of arginine residues to citrulline residues. This gene may play a role in granulocyte and macrophage development leading to inflammation and immune response. Publication Note: This RefSeq record includes a subset of the publications that are available for this gene. Please see the Entrez Gene record to access additional publications.