The domain within your query sequence starts at position 300 and ends at position 391; the E-value for the 2ke4 domain shown below is 1e-26.

GGVTPEDFSNFPPEQRRKKLQQKVDDLNREIQKETDQRDAITKMKDVYLKNPQMGDPASL
DQKLTEVTQNIEKLRLEAQKFEAWLAEVEGRL

This is a PDB domain - please see the PDBSUM entry of 2ke4 for further annotation