label: 5-amino-6-(5-phosphoribitylamino)uracil phosphatase activity
label_lc: 5-amino-6-(5-phosphoribitylamino)uracil phosphatase activity
description: "Catalysis of the reaction: 5-amino-6-(5-phospho-D-ribitylamino)uracil + H2O = 5-amino-6-(D-ribitylamino)uracil + phosphate."