The domain within your query sequence starts at position 615 and ends at position 684; the E-value for the 3swf domain shown below is 6e-31.

LEEKVTRMEGSVDLLQTRFARILAEYESMQQKLKQRLTKVEKFLKPLIETEFSALEEPGG
ESELTESLQD

This is a PDB domain - please see the PDBSUM entry of 3swf for further annotation