The domain within your query sequence starts at position 585 and ends at position 836; the E-value for the RPT_1 domain shown below is 1.37e-10.

VLDVSEGFSLLPILAGTLGHVKPYSSVEKDQHCIALDLIAEANHFPKETLEFWLRHIEDE
AAVLQRPKSDKLWSIIILDVIEPSGLIQQELMEKAAISRCLLQSGGKIFPQYVLMFGMLV
ESQTLVEESAVQGTEHTLGLNIAPFINQFQVPIRVCLDLSSLPCVPLSQPVELLRLDLMT
PYLNTSNKEVKVRVCRSGRVTAVPFWFHLCLDDEVRLDTSGEASHWKQAAVVLDNPIQVQ
AGEELVLSVEHH

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