The domain within your query sequence starts at position 560 and ends at position 693; the E-value for the d2mysb_ domain shown below is 9e-5.

REITQVFAAADYNHTKVVPYNTFRDILMSITMGKLIDQELITIARHYRVPEIMDPDLAYL
IARAHEKFKKNIFENFDMFIYNCVYEDREKKGVLPTKDIRRMCKSSRLPLDDDFLDCLLS
RFEDKDHQINYEIF

This is a SCOP domain - please see the SCOP entry of d2mysb_ for further annotation