The domain within your query sequence starts at position 188 and ends at position 437; the E-value for the 4i5k domain shown below is 1e-25.

LRESDLENYILELIPTLPQLDGLEKSFYSFYVCTAVRKFFFFLDPLRTGKIKIQDILACS
FLDDLLELRDEELSKESQETNWFSAPSALRVYGQYLNLDKDHNGMLSKEELSRYGTATMT
NVFLDRVFQECLTYDGEMDYKTYLDFVLALENRKEPAALQYIFKLLDIENKGYLNVFSLN
YFFRAIQELMKIHGQDPVSFQDVKDEIFDMVKPKDPLKISLQDLINSNQGDTVTTILIDL
NGFWTYENRE

This is a PDB domain - please see the PDBSUM entry of 4i5k for further annotation