The domain within your query sequence starts at position 406 and ends at position 502; the E-value for the 4dey domain shown below is 3e-38.

SGEFSKEREKAKARGDFQKLREKQQLEEDLKGYLDWITQAEDIDPENEEEGGEEGKRNTS
MPTSETESVNTENVSGEGETQGCCGTLCQAISKSKLS

This is a PDB domain - please see the PDBSUM entry of 4dey for further annotation