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5KTO

Crystal structure of Pyrococcus horikoshii quinolinate synthase (NadA) with bound quinolinate and Fe4S4 cluster

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0008987molecular_functionquinolinate synthetase A activity
A0009435biological_processNAD+ biosynthetic process
A0016740molecular_functiontransferase activity
A0016765molecular_functiontransferase activity, transferring alkyl or aryl (other than methyl) groups
A0019363biological_processpyridine nucleotide biosynthetic process
A0019805biological_processquinolinate biosynthetic process
A0034628biological_process'de novo' NAD+ biosynthetic process from L-aspartate
A0046872molecular_functionmetal ion binding
A0051536molecular_functioniron-sulfur cluster binding
A0051539molecular_function4 iron, 4 sulfur cluster binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue SF4 A 401
ChainResidue
ATYR23
ACYS83
AALA84
ACYS170
ACYS256
ANTM402

site_idAC2
Number of Residues16
Detailsbinding site for residue NTM A 402
ChainResidue
ASER38
AMET61
ATYR109
AHIS173
AHIS196
AGLU198
AMET259
ASF4401
ACL406
AHOH526
AHOH549
AHOH588
AHOH607
AHIS21
ATYR23
AASP37

site_idAC3
Number of Residues8
Detailsbinding site for residue EPE A 403
ChainResidue
ALYS98
APRO102
AASN103
APRO105
AASP121
AARG294
AHOH583
AHOH676

site_idAC4
Number of Residues5
Detailsbinding site for residue CL A 404
ChainResidue
AILE17
AARG44
AVAL48
AASP49
AALA50

site_idAC5
Number of Residues3
Detailsbinding site for residue CL A 405
ChainResidue
ALYS275
ATYR276
ALYS277

site_idAC6
Number of Residues4
Detailsbinding site for residue CL A 406
ChainResidue
AHIS196
ASER212
ATHR213
ANTM402

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00568","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"31390192","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15937336","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"27224840","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"27404889","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00568","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"27224840","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"27404889","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31390192","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4ZK6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTM","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTP","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTR","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5KTT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00568","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"31390192","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15937336","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"27404889","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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