label: 2-hydroxy-1,4-benzoxazin-3-one monooxygenase activity
label_lc: 2-hydroxy-1,4-benzoxazin-3-one monooxygenase activity
description: "Catalysis of the reaction: 2-hydroxy-2H-1,4-benzoxazin-3(4H)-one + O2 + reduced [NADPH--hemoprotein reductase] = DIBOA + H+ + H2O + oxidized [NADPH--hemoprotein reductase]."