. . . . . . . . . . . . . . . . . . "lpar4_human"^^ . "LPAR4"^^ . "P2RY9"^^ . "LPA4"^^ . "Purinergic receptor 9"^^ . "P2Y5-like receptor"^^ . "P2Y purinoceptor 9"^^ . "G-protein coupled receptor 23"^^ . "GPR23"^^ . . "Lysophosphatidic acid receptor 4"^^ .