The domain within your query sequence starts at position 282 and ends at position 614; the E-value for the RPT_2 domain shown below is 9.14e-29.
TKEMLLKSIQSSSQSSTVDTEKKEWLLKSIQSRIQSSSVDAEKKEWLLKFIQSSIQSSSV
DLEKKEWLLKSIQSSIQSAIVDRGTKEWLLESIQSSILSSIVDQGTKVLLLKSIQSSIQS
STLDIETKELLLKSIQSSIQSSIMDLGTKELLLKIIQSSIQSSSVDLGTKELLLKIIQSS
IQSSTVDLGTKELLLKIIQSSIQSSSVDLGTKELLLKIIQSSIQSSTVDLGTKELLLKII
QSSIQSSSVDLGAKMGLLESILSSIQSSNVDLETKVLLLKSIQSSIQSSTVYLGIKQWLL
ERIESIIQSSSVYLDTKELLLKIIQSSIESYSV
This is a significant internal repeat in the query protein sequence, as detected by the Prospero program.