The domain within your query sequence starts at position 1128 and ends at position 1201; the E-value for the RPT_1 domain shown below is 2.02e-5.

LPSINAAVSKTVAVASGATSTPISIGTGAPTVRQVPVNTTVVSTSQSGKLPTRITVPLSV
ISQPMKGKSVVTAP

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