The domain within your query sequence starts at position 144 and ends at position 212; the E-value for the RPT_1 domain shown below is 2.67e-29.

VTPPIEPVLEPSHQGLEPVLESELVTPPVEPVLEPSHQELEPVLESELVTPPIEPVLEPS
HQGLEPVLD

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