The domain within your query sequence starts at position 148 and ends at position 258; the E-value for the 3h8h domain shown below is 4e-78.

MDGASEIELVFRPHPTLMEKDDSAQTRYIKTSGNATVDHLSKYLAVRLALEELRSKGESN
QMNLDTASEKQYTIYIATASGQFTVLNGSFSLELVSEKYWKVNKPMELYYA

This is a PDB domain - please see the PDBSUM entry of 3h8h for further annotation