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. 2003 May 14;100(11):6736–6740. doi: 10.1073/pnas.1037343100

Table 1. CP-533, 536-binding activity for EP and prostanoid receptors.

Receptors EP1 EP2 EP3 EP4 DP FP IP TP
IC50, nM >2,800 50 >2,800 >3,200 820 >3,200 >3,200 >3,200

CP-533, 536 was selective for EP2 binding when measured against other prostanoid receptors, including those for PGE2 (EP1, -3, and -4), prostaglandin D2 (DP), prostaglandin F2α (FP), prostacyclin (IP), and thromboxane (TP).