The domain within your query sequence starts at position 145 and ends at position 247; the E-value for the 3cl3 domain shown below is 4e-51.

VTSLLGELQESQSRLEAATKDRQALEGRIRAVSEQVRQLESEREVLQQQHSVQVDQLRMQ
NQSVEAALRMERQAASEEKRKLAQLQAAYHQLFQDYDSHIKSS

This is a PDB domain - please see the PDBSUM entry of 3cl3 for further annotation