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. [provided by RefSeq, Jul 2008]
Function:
Probably binds and transports small hydrophobic volatile molecules with a higher affinity for aldehydes and large fatty acids.
Subcellular Location:
Secreted.
Tissue Specificity:
Strongly expressed in the nasal structures, salivary and lachrymal glands, and lung.
Similarity:
Belongs to the calycin superfamily. Lipocalin family.
SWISS:
Q9NY56
Gene ID:
29991
Database links:
Entrez Gene: 29991 Human
Omim: 16464 Human
SwissProt: Q9NY56 Human
Unigene: 567489 Human
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