The domain within your query sequence starts at position 220 and ends at position 330; the E-value for the 3h8h domain shown below is 4e-77.

MDGASEIELVFRPHPTLMEKDDSAQTRYIKTSGNATVDHLSKYLAVRLALEELRSKGESN
QMNLDTASEKQYTIYIATASGQFTVLNGSFSLELVSEKYWKVNKPMELYYA

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