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MetaCyc EC 1.13.99 -- Miscellaneous (requires further characterization)

Parent Class: EC-Numbers1 -- Oxidoreductases1.13 -- Acting on single donors with incorporation of molecular oxygen

Instances:
1.13.99.1 -- inositol oxygenase,
1.13.99.3 -- tryptophan 2′-dioxygenase

Unofficial Reactions:
2-[4,5,7,10-tetrahydroxy-3-(3-oxobutanoyl)anthracen-2-yl]acetyl-[PKS-acp] + oxygen → 2-oxo-2-[4,5,7,10-tetrahydroxy-3-(3-oxobutanoyl)anthracen-2-yl]acetyl-[PKS-acp] + H2O,
indole-3-ethanol + an reduced unknown electron acceptor + oxygen → indole-3-glycol + an oxidized unknown electron acceptor + H2O,
adonixanthin + oxygen → 3S,3'S-astaxanthin + H2O,
L-tryptophan + an reduced unknown electron acceptor + H+ + oxygen → indole acetaldehyde + ammonium + CO2 + an oxidized unknown electron acceptor + H2O,
indole acetaldehyde + an reduced unknown electron acceptor + oxygen → indole-3-glycol aldehyde + an oxidized unknown electron acceptor + H2O,
echinenone + oxygen → canthaxanthin + H2O,
zeaxanthin + oxygen → adonixanthin + H2O,
3-hydroxyechinenone + oxygen → adonirubin + H2O,
indole-3-acetate + an reduced unknown electron acceptor + oxygen → indole-3-glycolate + an oxidized unknown electron acceptor + H2O,
all-trans-β-carotene + oxygen → echinenone + H2O

Enzymes and Genes:
β-carotene ketolase: bkt1 ( Haematococcus pluvialis )
β-carotene ketolase: bkt2 ( Haematococcus pluvialis )
β-ring carotenoid 4-ketolase / β-carotene 4-ketolase: crtW38 ( Nostoc punctiforme )
β-ring carotenoid 4-ketolase: BKT ( Chlamydomonas reinhardtii )
β-ring carotenoid 4-ketolase: crtW148 ( Nostoc punctiforme )
tryptophan side chain oxidase / tryptophan 2'-dioxygenase ( Pseudomonas fluorescens )
MtMOI: mtmOI ( Streptomyces argillaceus )


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Please cite the following article in publications resulting from the use of MetaCyc: Caspi et al, Nucleic Acids Research 42:D459-D471 2014
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