The domain within your query sequence starts at position 141 and ends at position 211; the E-value for the RPT_1 domain shown below is 2.19e-13.

ISLNQGIHMQKKKHNRNAEFEKVFVSKHKVMVKRNNTGVNPYKCSEFDKYLTQREKLQSQ
QRIYHGKKPYK

This is a significant internal repeat in the query protein sequence, as detected by the Prospero program.