3-hydroxyindolin-2-one monooxygenase

3-hydroxyindolin-2-one monooxygenase (EC 1.14.13.139, BX4 (gene), CYP71C1 (gene)) is an enzyme with systematic name 3-hydroxyindolin-2-one,NAD(P)H:oxygen oxidoreductase (2-hydroxy-2H-1,4-benzoxazin-3(4H)-one-forming).[1][2][3] This enzyme catalyses the following chemical reaction

3-hydroxyindolin-2-one + NAD(P)H + H+ + O2 2-hydroxy-2H-1,4-benzoxazin-3(4H)-one + NAD(P)+ + H2O
3-hydroxyindolin-2-one monooxygenase
Identifiers
EC number1.14.13.139
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

3-hydroxyindolin-2-one monooxygenase is involved in the biosynthesis of protective and allelopathic benzoxazinoids in some plants.

References
  1. Glawischnig E, Grün S, Frey M, Gierl A (March 1999). "Cytochrome P450 monooxygenases of DIBOA biosynthesis: specificity and conservation among grasses". Phytochemistry. 50 (6): 925–30. doi:10.1016/s0031-9422(98)00318-5. PMID 10385992.
  2. Frey M, Chomet P, Glawischnig E, Stettner C, Grün S, Winklmair A, Eisenreich W, Bacher A, Meeley RB, Briggs SP, Simcox K, Gierl A (August 1997). "Analysis of a chemical plant defense mechanism in grasses". Science. 277 (5326): 696–9. doi:10.1126/science.277.5326.696. PMID 9235894.
  3. Spiteller P, Glawischnig E, Gierl A, Steglich W (June 2001). "Studies on the biosynthesis of 2-hydroxy-1,4-benzoxazin-3-one (HBOA) from 3-hydroxyindolin-2-one in Zea mays". Phytochemistry. 57 (3): 373–6. doi:10.1016/s0031-9422(01)00037-1. PMID 11393516.
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