The domain within your query sequence starts at position 753 and ends at position 984; the E-value for the 3eu7 domain shown below is 1e-131.

STEQTETADRPACDNLNPGNLQLVSELKNPSSSCSVDVSAMWWERAGAKEPCIVTACEDV
VSLWKPLNSLQWEKVHTWHFTEVPVLQIVPVPDVYNLICVALGSLEIREIRALLCSSGDD
SEKQVLLKSGDIKAMLGLTKRRLVSSTGTFCNQQIQIMTFADDGSSKDEQLLMPPDETVL
TFAEVQGTQEALLGTTTVNSIVIWNLKTGQLLKKMHIDDSYQASVCHGAYSE

This is a PDB domain - please see the PDBSUM entry of 3eu7 for further annotation