function:Receptor for ATP and UTP coupled to G-proteins that activate a phosphatidylinositol-calcium second messenger system. The affinity range is UTP = ATP > ATP-gamma-S >> 2-methylthio-ATP = ADP.,similarity:Belongs to the G-protein coupled receptor 1 family.,tissue specificity:Spleen, testis, kidney, liver, lung, heart and brain.,
Cell membrane; Multi-pass membrane protein.
Spleen, testis, kidney, liver, lung, heart and brain.