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5TKQ

Crystal structure of human 3HAO with zinc bound in the active site

Functional Information from GO Data
ChainGOidnamespacecontents
A0000334molecular_function3-hydroxyanthranilate 3,4-dioxygenase activity
A0005506molecular_functioniron ion binding
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006569biological_processL-tryptophan catabolic process
A0008198molecular_functionferrous iron binding
A0009055molecular_functionelectron transfer activity
A0009435biological_processNAD+ biosynthetic process
A0010043biological_processresponse to zinc ion
A0016491molecular_functionoxidoreductase activity
A0019363biological_processpyridine nucleotide biosynthetic process
A0019805biological_processquinolinate biosynthetic process
A0034354biological_process'de novo' NAD+ biosynthetic process from L-tryptophan
A0043420biological_processanthranilate metabolic process
A0043648biological_processdicarboxylic acid metabolic process
A0046686biological_processresponse to cadmium ion
A0046872molecular_functionmetal ion binding
A0046874biological_processquinolinate metabolic process
A0051213molecular_functiondioxygenase activity
A0070050biological_processneuron cellular homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue ZN A 301
ChainResidue
AHIS47
AGLU53
AHIS91
AHOH491
AHOH544

site_idAC2
Number of Residues5
Detailsbinding site for residue SO4 A 302
ChainResidue
AHOH439
AARG88
ASER173
ATHR174
AARG175

site_idAC3
Number of Residues2
Detailsbinding site for residue SO4 A 303
ChainResidue
AARG175
ASER176

site_idAC4
Number of Residues6
Detailsbinding site for residue SO4 A 304
ChainResidue
ACYS23
AASN24
AILE37
AASN41
AARG43
AHOH436

site_idAC5
Number of Residues4
Detailsbinding site for residue SO4 A 305
ChainResidue
AARG223
ATHR260
ASER261
AHOH447

site_idAC6
Number of Residues5
Detailsbinding site for residue SO4 A 306
ChainResidue
AARG8
ATYR56
ATRP231
AGLU234
AASP251

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsRegion: {"description":"Linker","evidences":[{"source":"HAMAP-Rule","id":"MF_03019","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03019","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03019","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"28375145","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5TK5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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