The domain within your query sequence starts at position 218 and ends at position 316; the E-value for the RPT_1 domain shown below is 6.81e-11.

EVSEAATEQAPVQEVNEAATEQASVQAVREAATRPAPGKVRKAATQPAPVQVCQEATQLA
PVKVREAATQPASGKVREAATQLAPVKVRKAATQLAPVK

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