The domain within your query sequence starts at position 33 and ends at position 136; the E-value for the 3rl3 domain shown below is 1e-52.

MASRRHQHGRLIIEVDEYSSNPTQAFTFYNINQGRFQPPHVQMVDPVPHDAPKPPGYTRF
VCVSDTHSRTDPIQMPYGDVLIHAGDFTELGLPSEVKKFNEWLA

This is a PDB domain - please see the PDBSUM entry of 3rl3 for further annotation