The domain within your query sequence starts at position 467 and ends at position 528; the E-value for the RPT_1 domain shown below is 5.89e-22.

CFGQEGGRLSGAEDGAASEALWISPFPETAGLCIPHCHPSNLPSVESRSQGGSRRGLRHK
PL

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