Gene Information
Gene NameHCAR2
OrganismHomo sapiens (Human)
Gene Length363
Protein NamesHydroxycarboxylic acid receptor 2 (G-protein coupled receptor 109A) (G-protein coupled receptor HM74A) (Niacin receptor 1) (Nicotinic acid receptor)
Target Namehydroxycarboxylic acid receptor 2
Target TypeNA
Gene Age8 ( ENSG00000182782 )
Evolutionary StageNA
AlphaFoldDBQ8TDS4
Gene CardHCAR2
Uniprot IDQ8TDS4
PfamPF00001
In ASDyes
Allosteric Predictionyes (1.12244239)
Ortholog in AnimalsDog_ HCAR2 ( ortholog_one2many )
Mouse_ Hcar2 ( ortholog_one2many )
Rat_ Hcar2 ( ortholog_one2many )
OhnologsNA
ParalogsP2RY2, P2RY4, OXGR1, P2RY1, SUCNR1, P2RY6, FFAR3, GPR42, FFAR2, HCAR3, HCAR1, OXER1, GPR31, FFAR1, GPR82
Tissuewhole.blood
Tissue SpecificityExpression largely restricted to adipose tissue and spleen. Expressed on mature neutrophils but not on immature neutrophils or eosinophils. {ECO:0000269|PubMed:12522134, ECO:0000269|PubMed:17932499}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs676770  rs676823  rs7314976  rs2454727 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:17932499};
Multi-pass membrane protein {ECO:0000269|PubMed:17932499}.
Mouse PG classificationNA
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