CHRNB3
Neuronal acetylcholine receptor subunit beta-3
Protein Summary
After binding acetylcholine, the AChR responds by an extensive change in conformation that affects all subunits and leads to opening of an ion-conducting channel across the plasma membrane. The nicotinic acetylcholine receptors (nAChRs) are members of a superfamily of ligand-gated ion channels that mediate fast signal transmission at synapses. The nAChRs are (hetero)pentamers composed of homologous subunits. The subunits that make up the muscle and neuronal forms of nAChRs are encoded by separate genes and have different primary structure. There are several subtypes of neuronal nAChRs that vary based on which homologous subunits are arranged around the central channel. They are classified as alpha-subunits if, like muscle alpha-1 (MIM 100690), they have a pair of adjacent cysteines as part of the presumed acetylcholine binding site. Subunits lacking these cysteine residues are classified as beta-subunits (Groot Kormelink and Luyten, 1997 [PubMed 9009220]). Elliott et al. (1996) [PubMed ...more
Protein Classes
IDG Development Level Summary
These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:
Pubmed score: 35.62 (req: < 5)
Gene RIFs: 34 (req: <= 3)
Antibodies: 159 (req: <= 50)
These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:
Pubmed score: 35.62 (req: >= 5)
Gene RIFs: 34 (req: > 3)
Antibodies: 159 (req: > 50)
- OR - satisfy the following criterion:
Gene Ontology Terms: 12
Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions
Active Ligand: 0
Target has at least one approved drug - AND - satisfies the preceding conditions
Active Drug: 1