The domain within your query sequence starts at position 218 and ends at position 445; the E-value for the 3l15 domain shown below is 1e-143.

WQARALGTARLQLIEFSAFVEPPDAVDSFQRHLFVHISQQCPSPGAPPLESVDVRQIYDK
FPEKKGGLRELYDRGPPHAFFLVKFWADLNWGPSAEEAGSSGGGGGFYGVSSQYESRELM
TLTCSSKVCSFGKQVVEKVETERAQLEDGRFVYRLLRSPMCEYLVNFLHKLRQLPERYMM
NSVLENFTILQVVTNRDTQELLLCTAYVFEVSTSERGAQYHIYRLVRD

This is a PDB domain - please see the PDBSUM entry of 3l15 for further annotation