The domain within your query sequence starts at position 782 and ends at position 1001; the E-value for the RPT_1 domain shown below is 1.39e-9.

ASQKQPPPNMMFSPNQNPMASQEQQNQSIFHQQSNMAPMNQEQQPMQFQNQPTVSSLQNP
GPTQSESPQTSLFHSSPQIQLVQGSPSSQDQQVTLFLSPASMSALQTSINQPDMQQSPLY
SPQNNIPGIQGSTSSPQPQATLFHNTTGGTINQIQNSPGSSQQTSGMFLFGIQNNCSQLL
TSGPATLPDQLMAINQQGQPQNEGQSSVTTLLSQQMPETS

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