The Pfam:P2X_receptor domain within your query sequence starts at position 14 and ends at position 307, and its E-value is 1.8e-120.

FDYKTAKFVVAKSKKVGLLYRVLQLTILLYLLIWVFLIKKSYQDIDTSLQSAVVTKVKGVAYTNTTMLGERLWDVADFVIPSQREGIPDGECSEDTDCHAGESVVAGHGLKTGRCLRVGNSTRGTCEIFAWCPVETKSMPTDPLLKDAEGFTIFIKNFIRFPKFNFSKANVLETGNKHFLKTCHFSSTNLYCPIFRLGSIVRWAGADFQDIALKGGVIGIHIEWDCDLDKAASHCNPHYYFNRLDNKHTQSISSGYNFRFARYYRDPHGVEFRDLMKAYGIRFDVIVNGKGAFF
Pfam:P2X_receptor

Pfam:P2X_receptor
Pfam domain

Pfam ACC: