The domain within your query sequence starts at position 1 and ends at position 55; the E-value for the d1gkub3 domain shown below is 1e-10.

MKTVLMVAEKPSLAQSIAKILSRGNMSSHKGLNGACSVHKYTGTFAGQPVHFKMT

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