The domain within your query sequence starts at position 833 and ends at position 1197; the E-value for the RPT_1 domain shown below is 1.71e-12.

EAKILGIPERAPGVQKALGAGTEVARVLEAEASSSEVPETDAEEAETLQAKERSESSVAL
RVVANLPESELLGTQKKVGGTGISQREVREAETEIPKTQEISSEGSGVPDLEAKMEESGR
KMEIWETPEVEKVNSELFGTQKGSEIPELETKTIKSEILDTQETEVGGLGLRRGEAEKAE
AEMLETQKTEAKTARDEEIELVDPGVSSPEAEALRVQWAGTVVLESGEVKADILGVQKPG
SWGALKYEALDVPVTKQRLSGAKEVVPEVPRAQEPETKVLGIVEAKSWTLGQQEAEMEGF
ESPENKSNIFEAQEADSGVLGTMKGKEAVESLEEAGLSKAQVASEAGAGVPRPSGASSLE
EPEED

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