The human form of the receptor was cloned and sequenced as GPR23 (Janssens R et al, 1997). P2Y9 has been reported to bind lysophosphatidic acid (LPA) as a ligand and elicit numerous effects via multiple G proteins (Lee CW et al, 2007).
Lee, CW, Rivera, R, Dubin, AE, Chun, J
Janssens, R, Boeynaems, JM, Godart, M, Communi, D
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