The domain within your query sequence starts at position 677 and ends at position 753; the E-value for the RPT_2 domain shown below is 7.13e-5.

LSSNRDRYNSDNDRSSRLLLLERSSPVRDRRGSLEKSQSDKRDRKNSASAERDRKHRTAA
PTEGKNPLKKEDRSDGN

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