The domain within your query sequence starts at position 207 and ends at position 356; the E-value for the RPT_1 domain shown below is 2.21e-8.

EVNEAATEQASVQAVREAATRPAPGKVRKAATQPAPVQVCQEATQLAPVKVREAATQPAS
GKVREAATQLAPVKVRKAATQLAPVKVHEAATQPAPGKVSDAATQSASVQVREAATQLSP
VEATDTSQLAQVKADEAFAQHTSGEAHQVA

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