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Olfactory receptor, family 3, subfamily A, member 2
Symbols OR3A2 ; OLFRA04; OR17-14; OR17-228; OR228
External IDs MGI3030244 HomoloGene68262 GeneCards: OR3A2 Gene
RNA expression pattern
PBB GE OR3A2 221386 at tn.png
More reference expression data
Species Human Mouse
Entrez 4995 258702
Ensembl ENSG00000221882 ENSMUSG00000063116
UniProt P47893 Q8VFX8
RefSeq (mRNA) NM_002551 NM_146707
RefSeq (protein) NP_002542 NP_666918
Location (UCSC) Chr 17:
3.18 – 3.18 Mb
Chr 11:
74.33 – 74.34 Mb
PubMed search [1] [2]

Olfactory receptor 3A2 is a protein that in humans is encoded by the OR3A2 gene.[1][2][3]

Olfactory receptors interact with odorant molecules in the nose, to initiate a neuronal response that triggers the perception of a smell. The olfactory receptor proteins are members of a large family of G-protein-coupled receptors (GPCR) arising from single coding-exon genes. Olfactory receptors share a 7-transmembrane domain structure with many neurotransmitter and hormone receptors and are responsible for the recognition and G protein-mediated transduction of odorant signals. The olfactory receptor gene family is the largest in the genome. The nomenclature assigned to the olfactory receptor genes and proteins for this organism is independent of other organisms.[3]

See also[edit]


  1. ^ Glusman G, Clifton S, Roe B, Lancet D (Feb 1997). "Sequence analysis in the olfactory receptor gene cluster on human chromosome 17: recombinatorial events affecting receptor diversity". Genomics 37 (2): 147–60. doi:10.1006/geno.1996.0536. PMID 8921386. 
  2. ^ Glusman G, Sosinsky A, Ben-Asher E, Avidan N, Sonkin D, Bahar A, Rosenthal A, Clifton S, Roe B, Ferraz C, Demaille J, Lancet D (Apr 2000). "Sequence, structure, and evolution of a complete human olfactory receptor gene cluster". Genomics 63 (2): 227–45. doi:10.1006/geno.1999.6030. PMID 10673334. 
  3. ^ a b "Entrez Gene: OR3A2 olfactory receptor, family 3, subfamily A, member 2". 

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This article incorporates text from the United States National Library of Medicine, which is in the public domain.