The domain within your query sequence starts at position 4 and ends at position 69; the E-value for the 3sd4 domain shown below is 9e-45.

HPPNRRGISFEVGAQLEARDRLKNWYPAHIEDIDYEEGRVLIHFKRWNHRYDEWFCWDSP
YLRPLE

This is a PDB domain - please see the PDBSUM entry of 3sd4 for further annotation