The domain within your query sequence starts at position 277 and ends at position 403; the E-value for the 4gj4 domain shown below is 1e-18.

IPASLFCKTFPFHFMLDRDLAILQLGNGIRRLVNKRDFQGKPNFEEFFEILTPKINQTFS
GIMTMLNMQFVIRVRRWDNSVKKSSRVMDLKGQMIYIVESSAILFLGSPCVDRLEDFTGR
GLYLSDI

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