The domain within your query sequence starts at position 8 and ends at position 372; the E-value for the P2X_receptor domain shown below is 4.7e-162.

FTYETTKSVVVKSWTIGIINRAVQLLIISYFVGWVFLHEKAYQVRDTAIESSVVTKVKGF
GRYANRVMDVSDYVTPPQGTSVFVIITKMIVTENQMQGFCPENEEKYRCVSDSQCGPERF
PGILTGRCVNYSSVRRTCEIQGWCPTEVDTVEMPIMMEAENFTIFIKNSIRFPLFNFEKG
NLLPNLTDKDIKKCRFHPEKAPFCPILRVGDVVKFAGQDFAKLARTGGVLGIKIGWVCDL
DKAWDQCIPKYSFTRLDGVSEKSSVSPGYNFRFAKYYKMENGSEYRTLLKAFGIRFDVLV
YGNAGKFNIIPTIISSVAAFTSVGVGTVLCDIILLNFLKGADHYKARKFEEVTETTLKGT
ASTNP

P2X_receptor

PFAM accession number:

This is a PFAM domain. For full annotation and more information, please see the PFAM entry P2X_receptor