The domain within your query sequence starts at position 1083 and ends at position 1210; the E-value for the RPT_3 domain shown below is 3.53e-6.

GETLEKCAQDLGSTSKGVGSSMAQLLTCAAQGNEHYTGVAARETAQALKTLAQAARGVAA
STNDPEAAHAMLDSARDVMEGSAMLIQEAKQALIAPGDTESQQRLAQVAKAVSHSLNNCV
NCLPGQKD

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