The domain within your query sequence starts at position 277 and ends at position 400; the E-value for the 4ien domain shown below is 8e-7.

QSRILPPKAVWMEDTKLKSLDICHPQERNVFNRIFGGFLMRKAYELAWATACSFGGSRPY
VVTVDDIMFQKPVEVGSLLFLSSQVCFTQDNYIQVRVHSEVSSLDSREHMTTNVFHFTFM
SEKE

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