The domain within your query sequence starts at position 296 and ends at position 986; the E-value for the RPT_1 domain shown below is 8.64e-36.

IPNQVPRAAFMAMFVLEVDQFILTPLTTSVLDCEEDETPKPLLVFNITKAPLQGYVTHLL
DHTRPISSFTWKDLSDMQVAYQPPNSSHPERRHYTMELEVYDFFFERSAPITVHISIRTA
DTNAPRVSWNTGLNLLEGQSRAITWEQFQIVDNDDIGAVQLVTIGGLQHGRLTVREGKGF
LFTVTDLQAGVVRYHHDDSDTTKDFVAFRIFDGHHSSHHKFPINILPKDDSPPFLITNVV
IELEEGKTILIQGSMLRASDMDSSDDYIFFNITKFPQAGEIMKKPGPRLIGYPVPGFLQR
DLFSGIIYYRHFGGEIFEDSFEFVLWDSHEPPNLSVPQVVTIHITPVDDQLPKEAPGISR
HLVVKETEVAYITKKHLHFLDMESRDGELIYTVTRPPCFSFSHRHLDAGKLFMVDSIPKL
TKNPTAPGLSSFTQGLILISANQHTCSSQFASQHAVNHMKVAYMPPMQDIGPSPRHVQFT
VSVSNQHGGALHGICFNITVLPVDNQVPEVFTNTLRVVEGGQCTISTEHILVSDVDTPLD
SISLSLKERPLHGGVELDGFPLNPRGTFSWRDLNTLKVWYQHDGSEVLQDEIFLEVTDGT
NSAAFVLHIEVFPVNDEPPILKADLIPMMHCSEGGEVTITPEYISATDADSDDLELLFLI
AREPQHGVVRKAGLHVDRFSQGDVISGAVTY

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