The domain within your query sequence starts at position 306 and ends at position 370; the E-value for the 3cve domain shown below is 3e-34.

KLQEVEIRNKDLEGQLSDLEQRLEKSQNEQEAFRSNLKTLLEILDGKIFELTELRDNLAK
LLECS

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