The domain within your query sequence starts at position 1 and ends at position 54; the E-value for the 4au7 domain shown below is 5e-33.

PSDGNTACVKVLRDIEPGDEVTCFYGEGFFGEKNEHCECYTCERKGEGAFRLQP

This is a PDB domain - please see the PDBSUM entry of 4au7 for further annotation