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2,4-Dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase

2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase (, BX6 (gene), DIBOA-Glc dioxygenase) is an enzyme with systematic name (2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside:oxygen oxidoreductase (7-hydroxylating). This enzyme catalyses the following chemical reaction

(2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + 2-oxoglutarate + O<sub>2</sub> (2R)-4,7-dihydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + succinate + CO<sub>2</sub> + H<sub>2</sub>O

The enzyme is involved in the biosynthesis of protective and allelopathic benzoxazinoids in some plants.

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