The domain within your query sequence starts at position 1 and ends at position 103; the E-value for the 3fey domain shown below is 7e-42.

MSGGLLKALRSDSYVELSEYRDQHFRGDNEEQEKLLKKSYAENAMRYINGTRLDDRIIRT
DWDAGFKEGRQYGRGRSGGQVRDEYREDYDAGRGGYGKLAQKQ

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