MTH_651 ARFB_METTH Formamide hydrolase arfB 234 Catalyzes the hydrolysis of the formamide of 2-amino-5- formylamino-6-ribosylamino-4(3H)-pyrimidinone 5'-monophosphate (FAPy) to form 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'- phosphate (APy) (By similarity). MLVELNLDAGNIISEDVHRIGILAVGSHLENHGPALPIDTDAKIASYVALEAALRTGARFLGVLYAASEFPYVKHGIHMDRDELVERELKPVLRKARRLLNLEAAVIVNGHGGNKLEDCMDDLEEELGLEIAWNNRIVEIEGPHAGSGELSAGLILGIADLRRLDECIPELYPEIGMIGLKEAREANREIDKAARICERDGVNPDPVLGQRILDDAVESVISDVKELLKIIQEF 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate deformylase