The domain within your query sequence starts at position 831 and ends at position 980; the E-value for the RPT_1 domain shown below is 9.26e-7.

GSMNPMGAGGQMHGQPGIPPYGTLPPGRMAHASMGNRPYGPNMANMPPQVGSGMCPPPGG
MNRKTQESAVAMHVAANSIQNRPPGYPNMNQGGMMGTGPPYGQGINSMAGMINPQGPPYP
MGGTMANNSAGMAASPEMMGLGDVKLTPAT

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