1.14.19.58: tryptophan 5-halogenase
This is an abbreviated version!
For detailed information about tryptophan 5-halogenase, go to the full flat file.
Word Map on EC 1.14.19.58
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1.14.19.58
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halogenases
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flavin-dependent
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regioselective
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7-halogenase
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chlorinate
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indole
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synthesis
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albogriseolus
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biocatalysts
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brominate
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cl
-
flavin
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pharmacology
- 1.14.19.58
- halogenases
-
flavin-dependent
-
regioselective
-
7-halogenase
-
chlorinate
- indole
- synthesis
- albogriseolus
-
biocatalysts
-
brominate
- cl
- flavin
- pharmacology
Reaction
Synonyms
halogenase, mibH, pyrH, sttH, trp-5-halogenase
ECTree
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Systematic Name
Systematic Name on EC 1.14.19.58 - tryptophan 5-halogenase
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L-tryptophan:FADH2 oxidoreductase (5-halogenating)
A flavin-dependent halogenase. The enzyme from the bacterium Streptomyces rugosporus catalyses halogenation of the C-5 position of tryptophan during the biosynthesis of the antibiotic compound pyrroindomycin B. It utilizes molecular oxygen to oxidize the FADH2 cofactor, giving C4a-hydroperoxyflavin, which then reacts with chloride to produce a hypochlorite ion. The latter reacts with an active site lysine to generate a chloramine, which chlorinates the substrate. cf. EC 1.14.19.59, tryptophan 6-halogenase and EC 1.14.19.9, tryptophan 7-halogenase.