| Entry |
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| Name |
2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase;
BX6 (gene name);
DIBOA-Glc dioxygenase
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| Class |
Oxidoreductases;
Acting on paired donors, with incorporation or reduction of molecular oxygen;
With 2-oxoglutarate as one donor, and the other dehydrogenated
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| Sysname |
(2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside:oxygen oxidoreductase (7-hydroxylating)
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| Reaction(IUBMB) |
(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 [RN: R08972]
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| Reaction(KEGG) |
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| Substrate |
(2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside;
2-oxoglutarate [CPD: C00026];
O2 [CPD: C00007]
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| Product |
(2R)-4,7-dihydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside;
succinate [CPD: C00042];
CO2 [CPD: C00011];
H2O [CPD: C00001]
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| Comment |
The enzyme is involved in the biosynthesis of protective and allelophatic benzoxazinoids in some plants, most commonly from the family of Poaceae (grasses).
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| History |
EC 1.14.20.2 created 2012
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| Pathway |
| Benzoxazinoid biosynthesis |
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| Orthology |
| 2,4-dihydroxy-1,4-benzoxazin-3-one-glucoside dioxygenase |
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| Genes |
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| Reference |
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| Authors |
Jonczyk R, Schmidt H, Osterrieder A, Fiesselmann A, Schullehner K, Haslbeck M, Sicker D, Hofmann D, Yalpani N, Simmons C, Frey M, Gierl A. |
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| Title |
Elucidation of the final reactions of DIMBOA-glucoside biosynthesis in maize: characterization of Bx6 and Bx7. |
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| Journal |
Plant. Physiol. 146 (2008) 1053-63. |
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| Sequence |
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| Other DBs |
ExplorEnz - The Enzyme Database: IUBMB Enzyme Nomenclature: ExPASy - ENZYME nomenclature database: BRENDA, the Enzyme Database: |
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| LinkDB |
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