The domain within your query sequence starts at position 2 and ends at position 87; the E-value for the 3sla domain shown below is 1e-57.

ELATRAIPELTKLLNDEDQVVVNKAAVMVHQLSKKEASRHAIMRSPQMVSAIVRTMQNTN
DVETARCTAGTLHNLSHHREGLLAIF

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