G Protein

TM N1324 is an agonist of G-Protein-Coupled Receptor 39 (GPR39) with EC50s of 9 nM/5 nM in the presence of Zn2+, and 280 nM/180 nM in the absence of Zn2+ for human/murine GPR39.

AF64394 is a GPR3 inverse agonist, with a pIC50 of 7.3.

MK-0354 is a partial agonist of GPR109a receptor, for hGPR109a/ mGPR109a with EC50 of 1.65/1.08 μM, showed no activation of GPR109b.