The domain within your query sequence starts at position 130 and ends at position 198; the E-value for the RPT_1 domain shown below is 8.87e-21.

VTPPIEPVLEPSHQGLEPVLDSELVTPPIEPVLEPSHQGLEPVLDSELVTPPIEPLLEPS
HQGLEPVVD

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