The domain within your query sequence starts at position 316 and ends at position 441; the E-value for the 4gj4 domain shown below is 1e-17.

ISINTFCRAFPFHLMFDSNMVVLQLGEGLRKQLRYDTHRALKFEDCFEIVSPMINATFDR
VLLRLSTPFVIRTKPEASGTENEDKVMEIKGQMIHVPESSAILFLGSPCVDKLDELMGRG
LHLSDI

This is a PDB domain - please see the PDBSUM entry of 4gj4 for further annotation