label: histone H3R17 arginine deiminase activity
label_lc: histone h3r17 arginine deiminase activity
description: "Catalysis of the reaction: H2O + histone H3 L-arginyl (position 17)= histone H3 L-citrullyl (position 17) + NH4+, resulting in histone H3 citrullination at position 17."