Q. Li

P2Y receptors are G protein-coupled receptors activated by extracellular nucleotides. Although eleven receptors have been proposed to be P2Y receptors, only five (P2Y\sb1,\ P2Y\sb2,\ P2Y\sb4,\ P2Y\sb6, and P2Y₁₁) have been shown to be functional mammalian P2Y receptors. This dis…