The domain within your query sequence starts at position 614 and ends at position 832; the E-value for the RPT_1 domain shown below is 5.41e-11.

PRMEDQELMSPEHTLETVSFLGKENQEVVRSSEEQNLESLITFKEESQYPLGGPEAEDQM
LERLVEKEDQRFPRSPEEDQQAFRPLEKENQEPLRFEEAEDQVLERLIEKERQESLKSPE
EEDQQAFRLLEKENQEPLRFEDAEDQVLERLIEKERQESLKSPEEEDQQAFRLLEKENQE
PLRFEEAEDQVLERLVEKESQESLKSPEEEDQRTGKPLE

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