The domain within your query sequence starts at position 704 and ends at position 957; the E-value for the RPT_1 domain shown below is 8.87e-74.

EYGGQVTMPRGECGGQVTMPGREYGGQVTMPGRESGGQVTVPGREYGGQVTMPRGECGGQ
VTVPGREYGGQVTMPRGECGGQVTMPGREYGGQVTVPRRECGGQVTVPGREYGGQVTMPG
RESGGQVTVPGREYGGQVTVPRGECGGQVTVPGREYGGQVTVPRGECGGQVTVPGREYGG
QVTMPRGECGGQVTVPRGECGGQVTMPGREYGGQVTVPGREYGGQMTMPGRECGGQEVIP
RGECGGQVVMPGQE

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