The domain within your query sequence starts at position 12 and ends at position 119; the E-value for the 3f8u domain shown below is 1e-38.

VSAGPEAIECWFVEDAGGGGLSKKPATLLLRHGPRGPPPRPDLDPKLYFKVDDPAGMLLA
AFRRYPAGASAPHCEMSRFIPFPASAKWARSLSPEQNCPRALDGDWLL

This is a PDB domain - please see the PDBSUM entry of 3f8u for further annotation