OBP2A

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Odorant binding protein 2A
Identifiers
Symbols OBP2A ; OBP; OBP2C; OBPIIa; hOBPIIa
External IDs OMIM164320 MGI2387617 HomoloGene105714 GeneCards: OBP2A Gene
RNA expression pattern
PBB GE OBP2A 220848 x at tn.png
PBB GE OBP2A 220959 s at tn.png
More reference expression data
Orthologs
Species Human Mouse
Entrez 29991 383678
Ensembl ENSG00000122136 ENSMUSG00000079539
UniProt Q9NY56 Q8K1H9
RefSeq (mRNA) NM_014582 NM_001099301
RefSeq (protein) NP_055397 NP_001092771
Location (UCSC) Chr 9:
138.44 – 138.44 Mb
Chr 2:
25.74 – 25.74 Mb
PubMed search [1] [2]

Odorant-binding protein 2a is a protein that in humans is encoded by the OBP2A gene.[1]

This gene encodes a small extracellular protein belonging to the lipocalin superfamily. The protein is thought to transport small, hydrophobic, volatile molecules or odorants through the nasal mucus to olfactory receptors, and may also function as a scavenger of highly concentrated or toxic odors. The protein is expressed as a monomer in the nasal mucus, and can bind diverse types of odorants with a higher affinity for aldehydes and fatty acids. This gene and a highly similar family member are located in a cluster of lipocalin genes on chromosome 9. Alternatively spliced transcript variants have been described, but their biological validity has not been determined.[1]

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