The domain within your query sequence starts at position 1 and ends at position 48; the E-value for the 4f7u domain shown below is 7e-19.

MAYRGQGQKVQKVMVQPINLIFRYLQNRSRIQVWLYEQVNMRIEGCII

This is a PDB domain - please see the PDBSUM entry of 4f7u for further annotation