The domain within your query sequence starts at position 1456 and ends at position 1508; the E-value for the 1byy domain shown below is 6e-29.

DNFNQQKKKLGGQDIFMTEEQKKYYNAMKKLGSKKPQKPIPRPGNKFQGCIFD

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