The domain within your query sequence starts at position 1426 and ends at position 1751; the E-value for the RPT_2 domain shown below is 8.94e-34.

TLAPSTYTTNDITKTQNLFSTGKTSASYTTQHQSTSFHLTTISKWPTNGVSDTPGVHTSS
GTPSSSHATHITYTPPTQVVSSITHSTGPPLGTSVQTTINFPTLSAPQTSLVTPHPGLSS
SSTALTSEILKTPTSSQMSRSLPTVTTSTKSTMGLTGTPPVHTTSGTTSSPQTPRTTHPF
STVAVSNTKHTTGVSLETSVQTTIASPTPSAPQTSLATHLPFSSTSSVTPTSEVIITPTP
QHTLSSASTSTTTGNILPTTIGQTGSPHTSVPVIYTTSAITQTKTSFSTDRTSTPTSAPH
LSETSAVTAHQSTPTAVSANSIKPTM

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