Olfactory marker protein (IPR009103)

Short name: Olfactory_marker

Overlapping homologous superfamilies

Family relationships



Olfactory marker protein (OMP) is a highly expressed, cytoplasmic protein found in mature olfactory sensory receptor neurons of all vertebrates. OMP is a modulator of the olfactory signal transduction cascade. The crystal structure of OMP reveals a beta sandwich consisting of eight strands in two sheets with a jelly-roll topology [PMID: 12054873]. Three highly conserved regions have been identified as possible protein-protein interaction sites in OMP, indicating a possible role for OMP in modulating such interactions, thereby acting as a molecular switch [PMID: 12054872].

GO terms

Biological Process

GO:0007608 sensory perception of smell
GO:0007165 signal transduction

Molecular Function

GO:0004871 signal transducer activity

Cellular Component

No terms assigned in this category.

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.