The domain within your query sequence starts at position 524 and ends at position 763; the E-value for the 3hr0 domain shown below is 1e-153.

QQGKFDTKGIESTDEAKLSFLSDCTKLFSQGIGGEQAQAKFDSCLSDLAAVSNKFRDLLQ
EGLAELNSSAVKPQVQPWINTFLSVSHSIEEEEFNDYEANDPWVQQFILNLEQQMAEFKA
SLSPVIYDSLTGLMTSLVAVELEKVVLKSTFNRLGGLQFDKELRSLIAYLTTVTTWTIRD
KFARLSQMATILNLERVTEILDYWGANSGPLTWRLTPAEVRQVLALRIDFRNEDIKRLRL

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