The domain within your query sequence starts at position 1164 and ends at position 1293; the E-value for the RPT_1 domain shown below is 9.57e-8.

LSKTSTPSSNVSARSQPLSPVASVSNALTSPVKTSQSEAGKVKSTASSTTLPQPHTSPTI
SSTVQPLLPATTLNESTDPGSSIPCFSQQTVDSSEAKQELKTVCIRDSQSILVRTRGGNT
GVVKVQTNPE

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