The domain within your query sequence starts at position 452 and ends at position 712; the E-value for the 3hr0 domain shown below is 1e-174.

QQGKFDTKGIESTDEAKLSFLVTLNNVEVCSENISTLKKTLESDCTKLFSQGIGGEQAQA
KFDSCLSDLAAVSNKFRDLLQEGLAELNSSAVKPQVQPWINTFLSVSHSIEEEEFNDYEA
NDPWVQQFILNLEQQMAEFKASLSPVIYDSLTGLMTSLVAVELEKVVLKSTFNRLGGLQF
DKELRSLIAYLTTVTTWTIRDKFARLSQMATILNLERVTEILDYWGANSGPLTWRLTPAE
VRQVLALRIDFRNEDIKRLRL

This is a PDB domain - please see the PDBSUM entry of 3hr0 for further annotation