The domain within your query sequence starts at position 807 and ends at position 894; the E-value for the RPT_1 domain shown below is 1.4e-5.

DPGQSGIKIGMGDSPHGSPKWHKHSFRYTGIIDKQESVVDHKVFDPHQNTKKGVGRGPLM
IPKDNHPVKYRGTGVQEQFALVAQGAYD

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