The domain within your query sequence starts at position 408 and ends at position 511; the E-value for the RPT_3 domain shown below is 2.48e-7.
THTHSAGSADQKIGAAVVSSAYSQEIKPGSFHQEELPDRHLNEEIRKVSPALRTAGQKPE MLPVQSSSYSKGMKSIFYQHPVSHGHQGKEPLSVSAVCGSAGNK