The domain within your query sequence starts at position 1301 and ends at position 1520; the E-value for the RPT_1 domain shown below is 5.32e-12.

ASQKQPPPNMMFSPNQNPMASQEQQNQSIFHQQSNMAPMNQEQQPMQFQNQPTVSSLQNP
GPTQSESPQTSLFHSSPQIQLVQGSPSSQDQQVTLFLSPASMSALQTSINQPDMQQSPLY
SPQNNIPGIQGSTSSPQPQATLFHNTTGGTINQIQNSPGSSQQTSGMFLFGIQNNCSQLL
TSGPATLPDQLMAINQQGQPQNEGQSSVTTLLSQQMPETS

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