The domain within your query sequence starts at position 1 and ends at position 78; the E-value for the RPT_1 domain shown below is 8.05e-20.

IKEHILERNPMTVTNVAKPLHIVNIFKCIREQHIMERNPMHVINVVRPLHVPAIFKSIKE
TILERNPMNVTNVAKPMH

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