MetaCyc Reaction:

Superclasses: Reactions Classified By Conversion TypeSimple ReactionsChemical Reactions
Reactions Classified By SubstrateSmall-Molecule Reactions

EC Number:

Enzymes and Genes:

Pseudomonas fluorescens: tryptophan side chain oxidase / tryptophan 2'-dioxygenaseInferred from experiment

The direction shown, i.e. which substrates are on the left and right sides, is in accordance with the direction in which it was curated.

Most BioCyc compounds have been protonated to a reference pH value of 7.3. Please see the PGDB Concepts Guide for more information.

Mass balance status: Balanced.

Enzyme Commission Primary Name: tryptophan 2′-dioxygenase

Enzyme Commission Synonyms: indole-3-alkane α-hydroxylase, tryptophan side-chain α,β-oxidase, tryptophan side chain oxidase II, tryptophan side-chain oxidase, TSO, indolyl-3-alkan α-hydroxylase, tryptophan side chain oxidase type I, TSO I , TSO II, tryptophan side chain oxidase

Standard Gibbs Free Energy (ΔrG in kcal/mol): -109.23899Inferred by computational analysis [Latendresse13]

Enzyme Commission Summary:
A hemoprotein. Acts on a number of indole-3-alkane derivatives, oxidizing the 3-side-chain in the 2'-position. Best substrates were L-tryptophan and 5-hydroxy-L-tryptophan.

Citations: [Roberts77, Takai77]

Gene-Reaction Schematic

Gene-Reaction Schematic

Unification Links: KEGG:R00681, Rhea:22620

Relationship Links: BRENDA:EC:, ENZYME:EC:, IUBMB-ExplorEnz:EC:

Revised 13-Sep-2012 by Caspi R, SRI International


Latendresse13: Latendresse M. (2013). "Computing Gibbs Free Energy of Compounds and Reactions in MetaCyc."

Roberts77: Roberts J, Rosenfeld HJ (1977). "Isolation, crystallization, and properties of indolyl-3-alkane alpha-hydroxylase. A novel tryptophan-metabolizing enzyme." J Biol Chem 252(8);2640-7. PMID: 15994

Takai77: Takai K, Ushiro H, Noda Y, Narumiya S, Tokuyama T (1977). "Crystalline hemoprotein from Pseudomonas that catalyzes oxidation of side chain of tryptophan and other indole derivatives." J Biol Chem 252(8);2648-56. PMID: 15995

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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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