The domain within your query sequence starts at position 50 and ends at position 123; the E-value for the 2vnu domain shown below is 4e-10.

FETYMSKEDVSEGLKRGTLIQGVLRINPKKFHEAFIPSPDGDRDIFIDGVVARNRALNGD
LVVVKLLPEDQWKS

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