The domain within your query sequence starts at position 171 and ends at position 355; the E-value for the P2X_receptor domain shown below is 2.1e-76.

DKIPRRNLVEEVNGTYMKKCLYHKILHPLCPVFSLGYVVRESGQDFRSLAEKGGVVGITI
DWECDLDWHVRHCKPIYQFHGLYGEKNLSPGFNFRFARHFVQNGTNRRHLFKVFGIRFDI
LVDGKAGKFDIIPTMTTIGSGIGIFGVATVLCDLLLLHILPKRHYYKQKKFKYAEDMGPG
EGERD

P2X_receptor

PFAM accession number:

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