Predicted to enable G protein-coupled receptor activity. Predicted to contribute to sweet taste receptor activity. Acts upstream of or within sensory perception of sweet taste. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. Predicted to be part of sweet taste receptor complex. Predicted to be integral component of plasma membrane. Is expressed in circumvallate papilla and tongue anterior part. Orthologous to human TAS1R3 (taste 1 receptor member 3). [provided by Alliance of Genome Resources, Apr 2022]