taste receptor, type 2, member 3 (T2R3, TAS2R3)

Function

• perception of bitterness
• gustducin-linked
• senses chemical composition of GI content (putative)
• stimulates alpha gustducin (putative)
• PLC-beta-2
• gating of TRPM5

Structure

belongs to the G-protein coupled receptor T2R family

Compartment

membrane

Expression

• expressed in subsets of taste receptor cells of tongue & palate epithelium, exclusively in gustducin-positive cells
• expressed in the antrum & fundus of stomach, duodenum & gastric endocrine cells

More general terms

• taste receptor, type 2

Database

• OMIM: https://mirror.omim.org/entry/604868
• Kegg: http://www.genome.jp/dbget-bin/www_bget?hsa:5083
• Entrez gene: http://www.ncbi.nlm.nih.gov/sites/entrez?db=gene&cmd=Retrieve&dopt=Graphics&list_uids=50831
• UniProt: http://www.uniprot.org/uniprot/Q9NYW6.html