The domain within your query sequence starts at position 2 and ends at position 83; the E-value for the d1muga_ domain shown below is 2e-10.

LVQKLQKYQPRIAVFNGKCIYEIFSKEVFGVKVKNLEFGLQPHKIPDTETLCYVMPSSSA
RCAQFPRAQDKVHYYIKLKDLR

This is a SCOP domain - please see the SCOP entry of d1muga_ for further annotation