The domain within your query sequence starts at position 840 and ends at position 941; the E-value for the RPT_1 domain shown below is 5.95e-5.

PLTKSSSKREHRRSVDSRNTLNDLLKHLNDPNSNPKAILGEIHMAHQTLMLDPVGPMAEV
PPKVPNREASLYSPPSTLPRNSPTKRVDVPTTPGVPMTSLER

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