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1X1Q

Crystal structure of tryptophan synthase beta chain from Thermus thermophilus HB8

Functional Information from GO Data
ChainGOidnamespacecontents
A0000162biological_processL-tryptophan biosynthetic process
A0004834molecular_functiontryptophan synthase activity
A0005737cellular_componentcytoplasm
A0006568biological_processL-tryptophan metabolic process
A0008652biological_processamino acid biosynthetic process
A0009073biological_processaromatic amino acid family biosynthetic process
A0016829molecular_functionlyase activity
B0000162biological_processL-tryptophan biosynthetic process
B0004834molecular_functiontryptophan synthase activity
B0005737cellular_componentcytoplasm
B0006568biological_processL-tryptophan metabolic process
B0008652biological_processamino acid biosynthetic process
B0009073biological_processaromatic amino acid family biosynthetic process
B0016829molecular_functionlyase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 1001
ChainResidue
ASER257
AALA259
AILE260
AHIS337

Functional Information from PROSITE/UniProt
site_idPS00168
Number of Residues15
DetailsTRP_SYNTHASE_BETA Tryptophan synthase beta chain pyridoxal-phosphate attachment site. LlHtGAHKiNntLgQ
ChainResidueDetails
ALEU102-GLN116

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
ALYS109
ALYS189
AASP329
AHIS108

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
BLYS109
BLYS189
BASP329
BHIS108

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
ALYS109

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
BLYS109

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
ALYS109
ASER400

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a50
ChainResidueDetails
BLYS109
BSER400

246333

PDB entries from 2025-12-17

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