The domain within your query sequence starts at position 1122 and ends at position 1324; the E-value for the RPT_2 domain shown below is 7.13e-8.

QEQAQPSQQGLFQPQVALGSLPPNPMPQNQQGPIFQTQRPIVGMQSNSPSQEQQQQQQQQ
QQQQQQQQQQQQSILFSNQNAMATMASQKQPPPNMMFSPNQNPMASQEQQNQSIFHQQSN
MAPMNQEQQPMQFQNQPTVSSLQNPGPTQSESPQTSLFHSSPQIQLVQGSPSSQDQQVTL
FLSPASMSALQTSINQPDMQQSP

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