The domain within your query sequence starts at position 6 and ends at position 122; the E-value for the 3u12 domain shown below is 1e-11.

INAQVQMWSAKAGMSKSRNALIETCVGKREVKLILYFSTGKIKTLQLHDNIKSVVLQTYG
EDQNYLHLTFKNNDFLFVEKLTTTDARRLKRFLDKTSQGSIRPARSDERCGEPSTSA

This is a PDB domain - please see the PDBSUM entry of 3u12 for further annotation