. . . . . . . . . . . . . "Purinergic receptor P2X ligand gated ion channel 1"^^ . "rrp12_yeast"^^ . "P2X1"^^ . "ATP receptor"^^ . "Purinergic receptor"^^ . "P2X purinoceptor 1"^^ . "Purinoceptor P2X1"^^ . "P2X receptor subunit 1"^^ . "RRP12"^^ . "YPL012W"^^ . . . "Ribosomal RNA-processing protein 12"^^ .