OR2A1

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Olfactory receptor, family 2, subfamily A, member 1
Identifiers
Symbols OR2A1 ; OR2A42
External IDs MGI3030268 HomoloGene110586 GeneCards: OR2A1 Gene
Orthologs
Species Human Mouse
Entrez 346528 258647
Ensembl ENSG00000212807 ENSMUSG00000048693
UniProt Q8NGT9 n/a
RefSeq (mRNA) NM_001005287 NM_146653
RefSeq (protein) NP_001005287 NP_666864
Location (UCSC) Chr 7:
144.23 – 144.23 Mb
Chr 6:
43.2 – 43.2 Mb
PubMed search [1] [2]

Olfactory receptor 2A1/2A42 is a protein that in humans is encoded by the OR2A1 gene.[1]

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.[1]

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