The domain within your query sequence starts at position 655 and ends at position 779; the E-value for the RPT_1 domain shown below is 9.97e-15.

EPKPVNVFVGYRKVSLGEHARAPAGPGTLSCLPVAAADAPKVLRRHRRSSEPSIDYLDTK
LSYLREFYQKKLRKSSCDAVLSRKDEDYLKQTQPQKKGDKVCLKQSSVTGTDVSKRNTAN
ENIKK

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