Zuker could tell by their structures that the two proteins sat on the cell surface and probably functioned as receptors, and he named them T1R1 and T1R2.

• 朱克由它们的结构得知，这两个蛋白质位于细胞表面，并且可能有受体的功能，他将它们命名为T1R1和T1R2。