The domain within your query sequence starts at position 2657 and ends at position 2726; the E-value for the RPT_1 domain shown below is 1.25e-7.

EPGMEVQCNTEEGCDELAMSSSSDFQQDRHNFSGSQQKWKDFELPGDTLYYRFTSDMSNT
EWGYRFTVTA

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