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Tryptophan Synthase MeSH Descriptor Data 2025


MeSH Heading
Tryptophan Synthase
Tree Number(s)
D08.811.520.241.300.850
D08.811.600.896
Unique ID
D014367
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014367
Scope Note
An enzyme that catalyzes the conversion of L-serine and 1-(indol-3-yl)glycerol 3-phosphate to L-tryptophan and glyceraldehyde 3-phosphate. It is a pyridoxal phosphate protein that also catalyzes the conversion of serine and indole into tryptophan and water and of indoleglycerol phosphate into indole and glyceraldehyde phosphate. (From Enzyme Nomenclature, 1992) EC 4.2.1.20.
Entry Term(s)
Tryptophan Synthetase
Registry Numbers
EC 4.2.1.20
Related Numbers
9014-52-2
CAS Type 1 Name
L-Serine hydro-lyase (adding indoleglycerol-phosphate)
Previous Indexing
Hydro-Lyases (1966-1971)
Public MeSH Note
80; was TRYPTOPHAN SYNTHETASE 1974-79
Online Note
use TRYPTOPHAN SYNTHASE to search TRYPTOPHAN SYNTHETASE 1972-79 (as Prov 1972-73)
History Note
80; was TRYPTOPHAN SYNTHETASE 1972-79 (Prov 1972-73)
Date Established
1974/01/01
Date of Entry
1999/01/01
Revision Date
2003/07/09
Tryptophan Synthase Preferred
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