The domain within your query sequence starts at position 718 and ends at position 807; the E-value for the RPT_1 domain shown below is 1.4e-5.

EPNHSTLGSGMSSSHRSPEEHSQHFKYNRTEHKLHSGINAQRASEQDQIKVKGGLGFFQL
PTPMGNDYPCSYRGDGNKQQSGLSDQKSSD

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