Gene Information
Gene NameOPRK1
OrganismHomo sapiens (Human)
Gene Length380
Protein NamesKappa-type opioid receptor (K-OR-1) (KOR-1)
Target Namekappa-type opioid receptor
Target TypeNA
Gene Age645 ( ENSG00000082556 )
Evolutionary StageEumetazoa
AlphaFoldDBP41145
Gene CardOPRK1
Uniprot IDP41145
PfamPF00001
In ASDyes
Allosteric Predictionyes (1.31966949)
Ortholog in AnimalsAlpaca_ OPRK1 ( ortholog_one2one )
Dog_ OPRK1 ( ortholog_one2one )
GuineaPig_ OPRK1 ( ortholog_one2one )
Macaque_ OPRK1 ( ortholog_one2one )
Mouse_ Oprk1 ( ortholog_one2one )
Pig_ OPRK1 ( ortholog_one2one )
Rat_ Oprk1 ( ortholog_one2one )
Rabbit_ OPRK1 ( ortholog_one2one )
OhnologsOPRL1, NPBWR2, SSTR4, OPRM1, OPRD1
ParalogsSSTR5, SSTR4, NPBWR1, OPRL1, GPR149, OPRM1, PTGDR2, SSTR3, CMKLR2, SSTR1, LTB4R, LTB4R2, KISS1R, UTS2R, NPBWR2, SSTR2, OPRD1
TissueNA
Tissue SpecificityDetected in brain and placenta. {ECO:0000269|PubMed:7624359, ECO:0000269|PubMed:8060324}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 4DJH  (X-ray  2.90A  6B73  (X-ray  3.10A  6VI4  (X-ray  3.30A  7T10  (EM  2.50A  7T11  (EM  2.70A  7UL2  (EM  2.40A  7UL5  (EM  3.10A 
DBSNP rs9282808 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:12004055, ECO:0000269|PubMed:22437504, ECO:0000269|PubMed:7624359, ECO:0000269|PubMed:8060324};
Multi-pass membrane protein {ECO:0000269|PubMed:12004055, ECO:0000269|PubMed:22437504, ECO:0000269|PubMed:7624359, ECO:0000269|PubMed:8060324}.
Mouse PG classificationNA
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