The domain within your query sequence starts at position 33 and ends at position 137; the E-value for the 3rl3 domain shown below is 2e-54.

MASRRHQHGRLIIEVDEYSSNPTQAFTFYNINQGRFQPPHVQMVDPVPHDAPKPPGYTRF
VCVSDTHSRTDPIQMPYGDVLIHAGDFTELGLPSEVKKFNEWLGS

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