Tags: Protein.
Taste receptor type 1 member 3 is a protein that in humans is encoded by the TAS1R3 gene.The TAS1R3 gene encodes the human homolog of mouse Sac a major determinant of differences between sweet-sensitive and -insensitive mouse strains in their responsiveness to sucrose saccharin and other sweeteners.[supplied by OMIM]== Protein composition ==The protein encoded by the TAS1R3 gene is a G protein-coupled receptor with seven trans-membrane domains and is a component of the heterodimeric amino acid taste receptor TAS1R1+3 and sweet taste receptor TAS1R2+3.