Enables sweet taste receptor activity. Acts upstream of or within sensory perception of sweet taste. Predicted to be part of sweet taste receptor complex. Predicted to be active in plasma membrane. Is expressed in tongue anterior part. Orthologous to human TAS1R2 (taste 1 receptor member 2).
MGI Description
PHENOTYPE: Homozygous mutant mice show diminished behavioral and nervous responses to sweet tastants. Response to umami tastants is unimpaired. [provided by MGI curators]