obsolete 2,5-diamino-6-ribitylamino-4(3H)-pyrimidinone 5'-phosphate deaminase activity (obsolete GO:0043723)
OBSOLETE. Catalysis of the reaction: 2,5-diamino-6-(5-phospho-D-ribitylamino)pyrimidin-4(3H)-one + H2O = 5-amino-6-(5-phospho-D-ribosylamino)uracil + ammonia.
2,5-diamino-6-(5-phosphoribitylamino)pyrimidin-4(3H)-one deaminase activity
exact
DRAP deaminase activity
exact