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

Class of enzymes 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase 1.14.11.59 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase (1.14.11.59, 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). Jonczyk R, Schmidt H, Osterrieder A, Fiesselmann A, Schullehner K, Haslbeck M, Sicker D, Hofmann D, Yalpani N, Simmons C, Frey M, Gierl A Elucidation of the final reactions of DIMBOA-glucoside biosynthesis in maize: characterization of Bx6 and Bx7 Plant Physiology 146 3 1053–63 March 2008 18192444 2259038 10.1104/pp.107.111237 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 + O2 (2R)-4,7-dihydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + succinate + CO2 + H2O The enzyme is involved in the biosynthesis of protective and allelopathic benzoxazinoids in some plants. References External links 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside+dioxygenase Biology no Category:EC 1.14.20