The domain within your query sequence starts at position 713 and ends at position 809; the E-value for the RPT_1 domain shown below is 9.12e-8.

VHCSEKDKSFLLQKDKDILGTLKDLSESDMPALCNQDSAEPYKSEMLLGLKKHDHDMQPA
CQGDSKVDKKLRKQANRKTEIISKITQIHDNDGGSAH

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