Recombinant Human OBP2B protein (His tag)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

OBP2B also known as Odorant Binding Protein 2B serves to bind and transport small hydrophobic molecules such as odorants. This protein with an approximate mass of 20 kDa shows expression mainly in the nasal epithelium but can also be found in other tissues including the testes and brain. OBP2B operates by facilitating the transport of odorant molecules through the aqueous nasal mucus to olfactory receptors.

Biological function summary

OBP2B plays an important role in the olfactory system by assisting in odor detection. It operates as a part of a larger mechanism in which it interacts with olfactory receptors enhancing the signal transduction important for scent perception. These roles do not occur in isolation; OBP2B functions alongside other odorant-binding proteins and receptors to amplify olfactory signals.

Pathways

Research shows OBP2B in the olfactory signaling pathway directly impacting the mechanism by which scent-related signals reach the brain. The protein interacts with olfactory G-protein coupled receptors (GPCRs) that mediate these signals. Another pathway where OBP2B is noticeable is the chemical synaptic transmission pathway where it assists with the transduction of chemical signals important to olfactory processing.

OBP2B has associations with anosmia a condition characterized by loss of smell since olfactory pathways rely heavily on the functionality of such binding proteins. Another connection exists with neurodegenerative disorders like Alzheimer's disease where early symptoms often include olfactory dysfunction. In these contexts OBP2B may interact with proteins such as amyloid-beta suggesting its relevance in disease progression and potential as a therapeutic target.