The domain within your query sequence starts at position 976 and ends at position 1029; the E-value for the RPT_3 domain shown below is 7.39e-12.

KGESGKPGASGHNGERGPPGPQGLPGQPGTAGEPGRDGNPGSDGQPGRDGSPGG

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