The domain within your query sequence starts at position 489 and ends at position 560; the E-value for the d1nsta_ domain shown below is 5e-17.

YPGGPRELDKSIHGGELFFTVVLNPISIFMTHLSNYGNDRLGLYTFVNLANFVQTWTNLR
LQTLPPAQLAHK

This is a SCOP domain - please see the SCOP entry of d1nsta_ for further annotation