The domain within your query sequence starts at position 213 and ends at position 271; the E-value for the 4m3l domain shown below is 3e-28.

FDTLYAILDEKKSELLQRITQEQEEKLGFIEALILQYREQLEKSTKLVETAIQSLDEPG

This is a PDB domain - please see the PDBSUM entry of 4m3l for further annotation