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1AMJ

STERIC AND CONFORMATIONAL FEATURES OF THE ACONITASE MECHANISM

Functional Information from GO Data
ChainGOidnamespacecontents
A0003994molecular_functionaconitate hydratase activity
A0005506molecular_functioniron ion binding
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0006099biological_processtricarboxylic acid cycle
A0006101biological_processcitrate metabolic process
A0008198molecular_functionferrous iron binding
A0016829molecular_functionlyase activity
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051538molecular_function3 iron, 4 sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE OH A 998
ChainResidue
AASP165
AHIS167
ASF4999
AHOH1336
AHOH1352

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 997
ChainResidue
AGLN72
ATHR75
AARG580
ASER642
ASER643
AARG644
AHOH1266
AHOH1336

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SF4 A 999
ChainResidue
AILE145
AHIS167
ACYS358
ACYS421
ACYS424
AASN446
AOH998

site_idACT
Number of Residues18
Details
ChainResidue
AGLN72
AGLU262
AASN446
AARG447
AARG452
AARG580
ASER642
ASER643
AARG644
ASF4999
AASP100
AHIS101
AHIS147
AASP165
ASER166
AHIS167
AASN170
AASN258

Functional Information from PROSITE/UniProt
site_idPS00099
Number of Residues14
DetailsTHIOLASE_3 Thiolases active site. GLGGICIGvGgAdA
ChainResidueDetails
AGLY173-ALA186

site_idPS00450
Number of Residues17
DetailsACONITASE_1 Aconitase family signature 1. IrvGlIGSC.TNSsyedM
ChainResidueDetails
AILE350-MET366

site_idPS01244
Number of Residues14
DetailsACONITASE_2 Aconitase family signature 2. GgiVlanACGPCIG
ChainResidueDetails
AGLY413-GLY426

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues13
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsCompositional bias: {"description":"Polar residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"1547214","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8ACN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"1547214","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"3372519","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"8ACN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"Q99KI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues10
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"Q99KI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q99798","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q99KI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q99KI0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues7
DetailsAnnotated By Reference To The Literature 1fgh
ChainResidueDetails
ASER642
AGLU262
AASP100
AHIS147
AHIS101
AHIS167
AASP165

site_idMCSA1
Number of Residues6
DetailsM-CSA 552
ChainResidueDetails
AASP100electrostatic stabiliser, increase acidity
AHIS101electrostatic stabiliser, proton acceptor, proton donor
AASP165electrostatic stabiliser
AARG447electrostatic stabiliser
ASER642proton acceptor, proton donor
AARG644electrostatic stabiliser

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PDB entries from 2025-07-09

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