The domain within your query sequence starts at position 718 and ends at position 878; the E-value for the 2fg1 domain shown below is 6e-9.
DSTSINYVSGDVTHPQAGEEDAVIVHCVDDSGRWGRGGLFTALEVRSAEPRKIYELAGKM EDLSLGDVLLFPIDDKESRDKGQDLLALVVAQHRDRTNVLSGIKMAALEEGLKKIFLAAK KKKASVHLPRIGHATKGFNWYGTERLIRKHLATRGIPTYIY