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2ZTK

Crystal structure of homocitrate synthase from Thermus thermophilus complexed with homocitrate

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004410molecular_functionhomocitrate synthase activity
A0005737cellular_componentcytoplasm
A0008652biological_processamino acid biosynthetic process
A0009085biological_processlysine biosynthetic process
A0016740molecular_functiontransferase activity
A0019752biological_processcarboxylic acid metabolic process
A0019878biological_processlysine biosynthetic process via aminoadipic acid
A0036440molecular_functioncitrate synthase activity
A0043436biological_processoxoacid metabolic process
A0046872molecular_functionmetal ion binding
A0046912molecular_functionacyltransferase activity, acyl groups converted into alkyl on transfer
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE HCA A 383
ChainResidue
AARG12
ATHR166
AHIS195
AHIS197
AHIS292
ACU384
AHOH435
AHOH547
AGLU13
AGLN16
AHIS72
ALEU94
AARG133
ASER135
AGLU137
AALA164

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CU A 384
ChainResidue
AGLU13
AHIS195
AHIS197
AHCA383
AHOH547

Functional Information from PROSITE/UniProt
site_idPS00815
Number of Residues17
DetailsAIPM_HOMOCIT_SYNTH_1 Alpha-isopropylmalate and homocitrate synthases signature 1. LREGeQfekaNfstqdK
ChainResidueDetails
ALEU11-LYS27

site_idPS00816
Number of Residues14
DetailsAIPM_HOMOCIT_SYNTH_2 Alpha-isopropylmalate and homocitrate synthases signature 2. IefHgHNDtGcAiA
ChainResidueDetails
AILE192-ALA205

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"19996101","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19996101","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2ZTJ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2ZYF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19996101","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2ZYF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19996101","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3A9I","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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