Tryptophanase

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.

Year introduced: 1991(1972)

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Tree Number(s): D08.811.520.224.800

MeSH Unique ID: D014368

Registry Number: EC 4.1.99.1

Entry Terms:

• Tryptophan Indole-Lyase
• Indole-Lyase, Tryptophan
• Tryptophan Indole Lyase

Previous Indexing:

• Hydro-Lyases (1966-1971)

All MeSH Categories
Chemicals and Drugs Category
Enzymes and Coenzymes
Enzymes
Lyases
Carbon-Carbon Lyases
Tryptophanase