The domain within your query sequence starts at position 198 and ends at position 301; the E-value for the 3ddc domain shown below is 7e-62.

QHPPTIQEIKQKIDSYNSREKHCLGMKLSEDGTYTGFIKVHLKLRRPVTVPAGIRPQSIY
DAIKEVNPAATTDKRTSFYLPLDAIKQLHISSTTTCSSRNSPLL

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