The domain within your query sequence starts at position 2 and ends at position 152; the E-value for the 3slk domain shown below is 3e-10.

GRKVTFFQPDDEVVGILPLDSEDPGLCEVIRVHEHYLVHKPEKVSWTEAAGVIRDGVRAC
TALYYLSQLSPGKSVLIMDGASAFGTIAIQLAHHRGAKVISTAHSLEDKQHLERLRPSIA
RVIDVSNGKVHVAESCLEETGGLGVDIVIDA

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