The domain within your query sequence starts at position 470 and ends at position 771; the E-value for the RPT_2 domain shown below is 2.37e-7.

ILEAKDRESSESRVSSIFQEEEGQIWELVKKEAATEVKVENSLAQEIQESGLDTEEIQDS
QGPLQMETLEALGDEPLMSLKTQNHETPGKENCNSSIEENSGTVKSPEKEKQTPLKSLEE
KNVEAEKTLENGVLELSKPLGEEEPRMEDQELMSPEHTLETVSFLGKENQEVVRSSEEQN
LESLITFKEESQYPLGGPEAEDQMLERLVEKEDQRFPRSPEEDQQAFRPLEKENQEPLRF
EEAEDQVLERLIEKERQESLKSPEEEDQQAFRLLEKENQEPLRFEDAEDQVLERLIEKER
QE

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