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Tryptophanase MeSH Descriptor Data 2022


MeSH Heading
Tryptophanase
Tree Number(s)
D08.811.520.224.800
Unique ID
D014368
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014368
Scope Note
An enzyme that catalyzes the conversion of L-tryptophan and water to indole, pyruvate, and ammonia. It is a pyridoxal-phosphate protein, requiring K+. It also catalyzes 2,3-elimination and beta-replacement reactions of some indole-substituted tryptophan analogs of L-cysteine, L-serine, and other 3-substituted amino acids. (From Enzyme Nomenclature, 1992) EC 4.1.99.1.
Entry Term(s)
Tryptophan Indole-Lyase
Registry Number
EC 4.1.99.1
Related Numbers
9024-00-4
CAS Type 1 Name
L-Tryptophan indole-lyase (deaminating)
Previous Indexing
Hydro-Lyases (1966-1971)
Public MeSH Note
91; was see under LYASES 1972-90
History Note
91(72); was see under LYASES 1972-90
Date Established
1991/01/01
Date of Entry
1999/01/01
Revision Date
2003/07/09
Tryptophanase Preferred
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