Gene Information
Gene NameDRD4
OrganismHomo sapiens (Human)
Gene Length419
Protein NamesD(4) dopamine receptor (D(2C) dopamine receptor) (Dopamine D4 receptor)
Target Namedopamine d4 receptor
Target TypeSuccessful target
Gene Age645 ( ENSG00000069696 )
3 ( ENSG00000276825 )
Evolutionary StageEumetazoa
AlphaFoldDBP21917
Gene CardDRD4
Uniprot IDP21917
PfamPF00001
In ASDyes
Allosteric Predictionyes (1.44200143)
Ortholog in AnimalsAlpaca_ DRD4 ( ortholog_one2one )
Dog_ DRD4 ( ortholog_one2one )
Macaque_ DRD4 ( ortholog_one2one )
Mouse_ Drd4 ( ortholog_one2one )
Pig_ DRD4 ( ortholog_one2one )
Rat_ Drd4 ( ortholog_one2one )
OhnologsNA
ParalogsHRH2, TAAR6, HRH1, DRD1, GPR52, HTR1A, HTR1D, CHRM3, CHRM4, HRH3, TAAR5, HTR4, TAAR1, GPR21, CHRM1, HRH4, TAAR9, CHRM5, TAAR8, DRD3, GPR84, CHRM2, GPR161, DRD5, TAAR2
Tissuepineal.gland
Tissue SpecificityHighly expressed in retina. Detected at much lower levels in brain, in amygdala, thalamus, hypothalamus, cerebellum and pituitary. {ECO:0000269|PubMed:7769992}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 5WIU  (X-ray  1.96A  5WIV  (X-ray  2.14A 
DBSNP rs1800443 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:1319557, ECO:0000269|PubMed:16423344, ECO:0000269|PubMed:1840645, ECO:0000269|PubMed:20100572, ECO:0000269|PubMed:27659709, ECO:0000269|PubMed:29051383, ECO:0000269|PubMed:7512953, ECO:0000269|PubMed:7643093, ECO:0000269|PubMed:8078498, ECO:0000269|PubMed:9003072};
Multi-pass membrane protein {ECO:0000269|PubMed:20100572, ECO:0000269|PubMed:29051383}.
Mouse PG classificationHPG
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