The domain within your query sequence starts at position 376 and ends at position 499; the E-value for the 4dey domain shown below is 1e-57.

SGEFSKEREKAKARGDFQKLREKQQLEEDLKGYLDWITQAEDIDPENEDEGMDEDKPRNR
GAPAGLHDQKKGKFAWFSHSTETHVSMPTSETESVNTENVAGGDIEGENCGARLAHRISK
SKFS

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