The domain within your query sequence starts at position 905 and ends at position 980; the E-value for the RPT_1 domain shown below is 8.89e-27.

GDTGFPGPEGPSGKPGINGKDGLPGAQGIMGKPGDRGPKGERGDQGIPGDRGPQGERGKP
GLTGMKGAIGPVGPAG

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