The domain within your query sequence starts at position 390 and ends at position 456; the E-value for the 1gk4 domain shown below is 6e-7.

AEEESTALSINEEMQRMLSQLREYDFEDDCDSLTWEETEETLLLWEDFSGYAMAAAEAQG
EQEDSLE

This is a PDB domain - please see the PDBSUM entry of 1gk4 for further annotation