PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32193354-1 2020 Peptidyl arginine deiminase 4 (PAD4/PADI4) is a posttranslational modification enzyme that converts protein arginine or mono-methylarginine to citrulline. mono-methylarginine 120-139 peptidyl arginine deiminase, type IV Mus musculus 36-41