The domain within your query sequence starts at position 1473 and ends at position 1525; the E-value for the 1byy domain shown below is 5e-29.

DNFNQQKKKLGGQDIFMTEEQKKYYNAMKKLGSKKPQKPIPRPLNKYQGFIFD

This is a PDB domain - please see the PDBSUM entry of 1byy for further annotation