The domain within your query sequence starts at position 19 and ends at position 76; the E-value for the 2ysx domain shown below is 1e-36.

FRNCVYTYRILPNEDDKFTVQASEGVPMRFFTKLDQLIDFYKKENMGLVTHLQYPVPL

This is a PDB domain - please see the PDBSUM entry of 2ysx for further annotation