The domain within your query sequence starts at position 2036 and ends at position 2430; the E-value for the RPT_2 domain shown below is 8.94e-34.

TSVPVIYTTSAITQTKTSFSTDRTSTSTSAPHLSETSAVTAHQSTPTAVSANSIKPTMSS
TGTPVVHTTSGTTSSPQTPRTTHPSTTVAVSGTVHTTGLPSGTSVHTTTNFPTHSGPQSS
LSTHLPLFSTLSVTPTTEGLNTPTSPHSLSAASTSMPLMTVLPTTLEGTRPPHTSVPVTY
TTTAATQTKSSFSTDRTSTPHLSQSSTVTPTQPTPIPATTNSPMTTVGLTGTPVVHTPSG
TSSIAHTPHTTHSLPTAASSSTTLSTAPQFRTSEQSTTTFPTPSAPQTSLVTSLPPFSTS
SVSPTDEIHITSTNPHTVSSVSMSRPVSTILQTTIEVTTPPNTSTPVTHSTSATTEAQGS
FSTERTSTSYLSHPSSTTVHQSTAGPVITSIKSTM

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