The domain within your query sequence starts at position 21 and ends at position 74; the E-value for the 4l3l domain shown below is 6e-30.

ISETSVNRGPEKIRPECFELLRVLGKGGYGKVFQVRKVTGANTGKIFAMKVLKK

This is a PDB domain - please see the PDBSUM entry of 4l3l for further annotation