The domain within your query sequence starts at position 151 and ends at position 218; the E-value for the RPT_1 domain shown below is 1.33e-7.

KKVITPVRTGHGYVYEYPSRYQKDVYDVPPSHSTQGVYDIPPSSVKGPVFSVPVGEIKPQ
GVYDIPPT

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