The domain within your query sequence starts at position 273 and ends at position 402; the E-value for the d1a4ya_ domain shown below is 2e-5.

LQHVFMKRVHFLRDHLHQILGCLRTPLQTLSITHCLISQTDLDSFSCCHNLFKLKNLEIR
GVTLFALDLMPLRGLLGKLAGTLKSLDFQWCSMKDSQLIVLLPALSQCSQLNQINFYSND
FSMAILKDLL

This is a SCOP domain - please see the SCOP entry of d1a4ya_ for further annotation