The domain within your query sequence starts at position 758 and ends at position 947; the E-value for the 3u6n domain shown below is 6e-6.

GLYNFIVPLRAYYRSRRELNPIVLLLDNKPDHHFLEAICCFPMVYYMEGSVDNLDSLLQC
GIIYADNLVVVDKESTMSAEEDYMADAKTIVNVQTMFRLFPSLSITTELTHPSNMRFMQF
RAKDSYSLALSKLEKQERENGSNLAFMFRLPFAAGRVFSISMLDTLLYQSFVKDYMITIT
RLLLGLDTTP

This is a PDB domain - please see the PDBSUM entry of 3u6n for further annotation