The domain within your query sequence starts at position 939 and ends at position 1112; the E-value for the RPT_1 domain shown below is 4.27e-16.

DPNHSRPARRMSSGHTSSEKHNHTFSFSGIGVKAQSGIDAQRPCDKHLKKAKRRMDFVQL
PTPMGNDYPCCYRGDGNKQESGLANQRSCDLGQSRRKIGMGDSPHGGSKGHKHSFRYTGI
RDKQEPVVDQKIFDPHQNTNKGVDCDPLMILKDNLPVKDRGAGVQEQSALAAQG

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