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 3e-6.
QSRILPPKAVWMEDTKLKSLDICHPQERNVFNRIFGGFLMRKAYELAWATACSFGGSRPY VVTVDDIMFQKPVEVGSLLFLSSQVCFTQGNYIQVRVHSEVFSLDSREHMTTNVFHFTFM SEKE