Gustatory receptor for sugar taste 43a

UniProtKB accession:  Q9V4K2
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Go to UniProtKB:  Q9V4K2
UniProtKB description:  Gustatory receptor which mediates acceptance or avoidance behavior, depending on its substrates. Gr43a is the main sugar receptor in larvae. Functions as a narrowly tuned fructose receptor in taste neurons but also as a fructose receptor in the brain. Necessary and sufficient to sense hemolymph fructose and promote feeding in hungry flies but suppress feeding in satiated flies.
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