The domain within your query sequence starts at position 975 and ends at position 1028; the E-value for the RPT_4 domain shown below is 2.52e-11.

IKGESGKPGASGHNGERGPPGPQGLPGQPGTAGEPGRDGNPGSDGQPGRDGSPG

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