The domain within your query sequence starts at position 53 and ends at position 133; the E-value for the d1psra_ domain shown below is 2e-15.

GSDLEKAIATIALVFRNASDPDGKLGKATAKKLLQTQFKKFTEREETKPKYQDILSELDE
HTENKLDFEDFVILLLSLAIM

This is a SCOP domain - please see the SCOP entry of d1psra_ for further annotation