The domain within your query sequence starts at position 542 and ends at position 688; the E-value for the d1kb0a2 domain shown below is 3e-5.

GAQNGCLYVHSSVAQWRKCLHSIKLKDSILSIVHVKGIVLVALADGTLAIFHRGVDGQWD
LSNYHLLDLGRPHHSIRCMTVVHDKVWCGYRNKIYVVQPKAMKIEKSFDAHPRKESQVRQ
LAWVGDGVWVSIRLDSTLRLYHAHTYQ

This is a SCOP domain - please see the SCOP entry of d1kb0a2 for further annotation