ID 3.5.1.102 DE 2-amino-5-formylamino-6-ribosylaminopyrimidin-4(3H)-one 5'-monophosphate DE deformylase. CA 2-amino-5-formylamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one + CA H2O = 2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate + CA formate + H(+). CC -!- The enzyme catalyzes the second step in archaeal riboflavin and 7,8- CC didemethyl-8-hydroxy-5-deazariboflavin biosynthesis. CC -!- The first step is catalyzed by EC 3.5.4.29. CC -!- The bacterial enzyme, EC 3.5.4.25 catalyzes both reactions. DR A6UUS5, ARFB_META3 ; C7P7V6, ARFB_METFA ; E3GWT5, ARFB_METFV ; DR D5VQW1, ARFB_METIM ; Q57580, ARFB_METJA ; A4G0L4, ARFB_METM5 ; DR A9A8V8, ARFB_METM6 ; A6VHX1, ARFB_METM7 ; Q6LWK4, ARFB_METMP ; DR D3E3M2, ARFB_METRM ; A5UJL1, ARFB_METS3 ; D3S4A5, ARFB_METSF ; DR Q2NF45, ARFB_METST ; O26747, ARFB_METTH ; D9PWM7, ARFB_METTM ; DR D7DV18, ARFB_METV3 ; C9RGE3, ARFB_METVM ; A6UQY8, ARFB_METVS ; //