The Pfam:P2X_receptor domain within your query sequence starts at position 170 and ends at position 361, and its E-value is 2.7e-85.

DAGVPTRNILPNITTSYLKSCIYNARTDPFCPIFRLGQIVADAGHSFQEMAVEGGIMGIQIKWDCNLDRAASHCLPRYSFRRLDTRDLEHNVSPGYNFRFAKYYRDLAGNEQRTLTKAYGIRFDIIVFGKAGKFDIIPTMINVGSGLALLGVATVLCDVIVLYCMKKRYYYRDKKYKYVEDYEQGLSGETDQ
Pfam:P2X_receptor

Pfam:P2X_receptor
Pfam domain

Pfam ACC: