The domain within your query sequence starts at position 625 and ends at position 1026; the E-value for the RPT_1 domain shown below is 1.7e-10.

EAMWKTLSKLALEARQLHTAERCFSALGHVAKARFLHETNEIADQVSREYGGEGTDFYQV
RARLAMLEKNYKLAEMIFLEQNAVEEAMDMYQELHRWEECIAVAEAKGHPALEKLRRDYY
QWLMDTQQEERAGELQESQGDGLAAISLYLKAGLPAKAARLVLTREELLANTELVEHITT
ALIKGELYERAGDLFEKIRNPQRALECYCKGNAFMKAVELARLAFPVEVVRLEEAWGDHL
VQQKQLDAAINHYIEARCSIKAIEAALGARQWKKAIYILDLQDRNTASKYYPRVAQHYAS
LQEYEIAEELYTKGDRTKDAIDMYTQAGRWEQAHKLAMKCMRPEDVSVLYITQAQEMEKQ
GKYREAERLYVTVEEPDLAITMFKKHKLYDDMIRLVGKHHPD

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