The domain within your query sequence starts at position 19 and ends at position 125; the E-value for the 4f8t domain shown below is 6e-9.

KITVLTQVMSLDIQINTQIPDTEEGVLVECTAESLFPPAEMTWRDSKGNIIPPSSTFDSQ
DRAGLLCLKSTILLKNRTEGPITCSIYNKTTNQEKRRSIILSDVLFR

This is a PDB domain - please see the PDBSUM entry of 4f8t for further annotation