The domain within your query sequence starts at position 2475 and ends at position 2934; the E-value for the RPT_1 domain shown below is 1.35e-52.

WIKVKDSTVKYCHADIPREVAVKLGAIPKRHKALERYASNICFTALGTEFGQKEKLTSRI
KSILNAYPSEKEMLKELLQNADDAKATEICFVFDPRQHPVDRIFDDKWAPLQGPALCVYN
NQPFTEDDVRGIQNLGKGTKEGNPCKTGQYGIGFNSVYHITDCPSFISGNDILCIFDPHA
RYAPGATSVSPGRMFRDLDADFRTQFSDVLDLYLGNHFKLDNCTMFRFPLRNAEMAQVSE
ISSVPSSDRMVQNLLDKLRSDGAELLMFLNHMEKISICEIDKATGGLNVLYSVKGKITDG
DRLKRKQFHASVIDSVTKKRQLKDIPVQQITYTMDTEDSEGNLTTWLICNRSGFSSMEKV
SKSVISAHKNQDITLFPRGGVAACITHNYKKPHRAFCFLPLSLETGLPFHVNGHFALDSA
RRNLWRDDNGVGVRSDWNNSLMTALIAPAYVELLIQLKKR

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