The domain within your query sequence starts at position 892 and ends at position 1081; the E-value for the RPT_2 domain shown below is 5.05e-17.

GISGHPGQRGELGFQGLTGPPGPAGVLGPQGKVGDVGPLGERGPPGPPGPPGEQGLPGIE
GREGAKGELGPLGSVGKEGPPGPRGFPGPQGAPGDPGPIGLKGDKGPPGPVGANGSPGER
GPVGPSGGIGLPGQSGGQGPIGPAGEKGSPGERGTPGPTGKDGIPGPPGLQGPSGAAGPS
GEEGDKGEVG

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