UniProt
function
The alpha subunit is responsible for the aldol cleavage of indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate.
Catalytic activity
Rhea 10532
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate + L-serine = D-glyceraldehyde 3-phosphate + L-tryptophan + H2O
Pathway
Amino-acid biosynthesis; L-tryptophan biosynthesis; L-tryptophan from chorismate: step 5/5.
Features
Showing features for active site.
TypeIDPosition(s)DescriptionActive site49Proton acceptorActive site60Proton acceptorGene Ontology
Gene Ontology (GO) annotations organized by slimming set.
AspectTermMolecular Functionlyase activityMolecular Functionmolecular adaptor activityMolecular Functiontryptophan synthase activityBiological Processaromatic amino acid family biosynthetic processBiological ProcessL-tryptophan biosynthetic processAccess the complete set of GO annotations on QuickGO
Keywords
Molecular function
Biological process
Enzyme and pathway databases
UPA00035UER00044Protein names
Recommended name
Tryptophan synthase alpha chain
Gene names
Name
trpA
Ordered locus names
b1260, JW1252
Organism names
Taxonomic identifier
Organism
Strains
K12 / W3110 / ATCC 27325 / DSM 5911K12 / MG1655 / ATCC 47076K12 / EMG2K12Taxonomic lineage
Bacteria > Pseudomonadati > Pseudomonadota > Gammaproteobacteria > Enterobacterales > Enterobacteriaceae > Escherichia
Accessions
Primary accession
P0A877
Secondary accessions
P00928Q47669Proteomes
Identifier
Component
Chromosome
Features
Showing features for natural variant.
TypeIDPosition(s)DescriptionNatural variant209-224in mutant TrpA46-Asp-PR3Variants
We now provide the "Disease & Variants" viewer in its own tab.
The viewer provides 1 variant from UniProt as well as other sources including ClinVar and dbSNP.
Go to variant viewer
Chemistry
Features
Showing features for chain.
TypeIDPosition(s)DescriptionChainPRO_00000987781-268Tryptophan synthase alpha chainProteomic databases
Sequence similarities
Belongs to the TrpA family.
Phylogenomic databases
COG0159BacteriaFamily and domain databases
cd04724Tryptophan_synthase_alpha 1 hit3.20.20.70:FF:000037Tryptophan synthase alpha chain 1 hit3.20.20.70Aldolase class I 1 hitMF_00131Trp_synth_alpha 1 hitView protein in InterProIPR013785Aldolase_TIMIPR011060RibuloseP-bd_barrelIPR018204Trp_synthase_alpha_ASIPR002028Trp_synthase_suATIGR00262trpA 1 hitPTHR43406:SF1TRYPTOPHAN SYNTHASE ALPHA CHAIN, CHLOROPLASTIC 1 hitPTHR43406TRYPTOPHAN SYNTHASE, ALPHA CHAIN 1 hitSSF51366Ribulose-phoshate binding barrel 1 hitSequence status
Complete
Length
268
Mass (Da)
28,724
Last updated
1986-07-21 v1
MD5 Checksum
1F1188D5FB1C600B0F1C9E3DD8F05EB8
MERYESLFAQLKERKEGAFVPFVTLGDPGIEQSLKIIDTLIEAGADALELGIPFSDPLADGPTIQNATLRAFAAGVTPAQCFEMLALIRQKHPTIPIGLLMYANLVFNKGIDEFYAQCEKVGVDSVLVADVPVEESAPFRQAALRHNVAPIFICPPNADDDLLRQIASYGRGYTYLLSRAGVTGAENRAALPLNHLVAKLKEYNAAPPLQGFGISAPDQVKAAIDAGAAGAISGSAIVKIIEQHINEPEKMLAALKVFVQPMKAATRS
Keywords
Technical term
Sequence databases
Nucleotide SequenceProtein SequenceMolecule TypeStatusV00364EMBL· GenBank· DDBJCAA23662.1
EMBL· GenBank· DDBJGenomic DNA V00372
EMBL· GenBank· DDBJCAA23675.1
EMBL· GenBank· DDBJGenomic DNA J01714
EMBL· GenBank· DDBJAAA57301.1
EMBL· GenBank· DDBJGenomic DNA U23489
EMBL· GenBank· DDBJAAB60035.1
EMBL· GenBank· DDBJGenomic DNA U23490
EMBL· GenBank· DDBJAAA65140.1
EMBL· GenBank· DDBJGenomic DNA U23491
EMBL· GenBank· DDBJAAA65146.1
EMBL· GenBank· DDBJGenomic DNA U23492
EMBL· GenBank· DDBJAAA65152.1
EMBL· GenBank· DDBJGenomic DNA U23494
EMBL· GenBank· DDBJAAA65164.1
EMBL· GenBank· DDBJGenomic DNA U25417
EMBL· GenBank· DDBJAAA73791.1
EMBL· GenBank· DDBJGenomic DNA U25418
EMBL· GenBank· DDBJAAA73797.1
EMBL· GenBank· DDBJGenomic DNA U25419
EMBL· GenBank· DDBJAAA73803.1
EMBL· GenBank· DDBJGenomic DNA U25420
EMBL· GenBank· DDBJAAA73809.1
EMBL· GenBank· DDBJGenomic DNA U25421
EMBL· GenBank· DDBJAAA73815.1
EMBL· GenBank· DDBJGenomic DNA U25422
EMBL· GenBank· DDBJAAA73821.1
EMBL· GenBank· DDBJGenomic DNA U00096
EMBL· GenBank· DDBJAAC74342.1
EMBL· GenBank· DDBJGenomic DNA AP009048
EMBL· GenBank· DDBJBAA14792.1
EMBL· GenBank· DDBJGenomic DNA X16698
EMBL· GenBank· DDBJCAA34671.1
EMBL· GenBank· DDBJGenomic DNA
Genome annotation databases
Disclaimer
Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. Our staff consists of biologists and biochemists that are not trained to give medical advice.网址:UniProt https://klqsh.com/news/view/106011