The domain within your query sequence starts at position 60 and ends at position 129; the E-value for the RPT_1 domain shown below is 5.56e-9.

EHDVDQTSEAKAITTEQNEEQDFIRTDTFMRQDEDLLSKQISTITEKNVDQAYMQINTVF
EQDKDQASIQ

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