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3E9K

Crystal structure of Homo sapiens kynureninase-3-hydroxyhippuric acid inhibitor complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0006569biological_processL-tryptophan catabolic process
A0006753biological_processnucleoside phosphate metabolic process
A0009435biological_processNAD+ biosynthetic process
A0016787molecular_functionhydrolase activity
A0019363biological_processpyridine nucleotide biosynthetic process
A0019441biological_processL-tryptophan catabolic process to kynurenine
A0019805biological_processquinolinate biosynthetic process
A0030170molecular_functionpyridoxal phosphate binding
A0030429molecular_functionkynureninase activity
A0034341biological_processresponse to type II interferon
A0034354biological_process'de novo' NAD+ biosynthetic process from L-tryptophan
A0034516biological_processresponse to vitamin B6
A0042803molecular_functionprotein homodimerization activity
A0043420biological_processanthranilate metabolic process
A0072521biological_processpurine-containing compound metabolic process
A0097053biological_processL-kynurenine catabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE PLP A 466
ChainResidue
ALEU137
ATRP305
ASER332
AASN333
A3XH467
AHOH477
AHOH1099
ATHR138
APHE165
AASP168
AASP250
AALA252
AHIS253
ATYR275
ALYS276

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 3XH A 467
ChainResidue
ASER75
AHIS102
APHE165
AHIS253
ATYR275
ALYS276
ATRP305
AASN333
AARG434
APLP466
AHOH487
AHOH1092
AHOH1097
AHOH1099

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03017","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03017","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"17300176","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"N6-(pyridoxal phosphate)lysine"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cl1
ChainResidueDetails
APHE165
AASP250

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cl1
ChainResidueDetails
ALYS276
APHE165
AASP250

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cl1
ChainResidueDetails
ALYS276
AHIS253

238895

PDB entries from 2025-07-16

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