The domain within your query sequence starts at position 5 and ends at position 85; the E-value for the d1gkub3 domain shown below is 7e-12.

FRGVRKVLCVAEKNDAAKGIADLLSNGRMRRNVTMIMTSVSGHLLAHDFQMQFRKWQSCN
PLVLFEAEIEKYCPENFIDIK

This is a SCOP domain - please see the SCOP entry of d1gkub3 for further annotation