1BOCKAERT J,PIN J P. Molecular tinkering of G proteincoupled receptors: an evolutionary success[J]. EMBO J,1999,18:1723-1729.
2VANTI W B,SWAMINATHAN S,BLEVINS R,et al.Patent status of the therapeutically important G proteincoupled receptors[J].Exp Opin Ther Patents,2001,11:1861 - 1887.