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3ENJ

Structure of Pig Heart Citrate Synthase at 1.78 A resolution

Functional Information from GO Data
ChainGOidnamespacecontents
A0005739cellular_componentmitochondrion
A0005759cellular_componentmitochondrial matrix
A0005975biological_processcarbohydrate metabolic process
A0006099biological_processtricarboxylic acid cycle
A0006101biological_processcitrate metabolic process
A0016740molecular_functiontransferase activity
A0036440molecular_functioncitrate synthase activity
A0042802molecular_functionidentical protein binding
A0046912molecular_functionacyltransferase activity, acyl groups converted into alkyl on transfer
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 600
ChainResidue
AARG401
AHOH906

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 700
ChainResidue
AHOH983
AARG25
AGLY43
AARG46
APRO418
AHOH847
AHOH970
AHOH971

Functional Information from PROSITE/UniProt
site_idPS00480
Number of Residues13
DetailsCITRATE_SYNTHASE Citrate synthase signature. GYGHaVl.RktDPR
ChainResidueDetails
AGLY317-ARG329

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"in chain A","evidences":[{"source":"UniProtKB","id":"O75390","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"description":"in chain B","evidences":[{"source":"UniProtKB","id":"O75390","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q29RK1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"Q9CZU6","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9CZU6","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues5
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q9CZU6","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"O75390","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"N6,N6,N6-trimethyllysine","evidences":[{"source":"PubMed","id":"7093227","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1aj8
ChainResidueDetails
AASP375
AHIS274
AHIS320

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1aj8
ChainResidueDetails
AASP375
AHIS320
AHIS274
ASER244

247947

PDB entries from 2026-01-21

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