The domain within your query sequence starts at position 919 and ends at position 1046; the E-value for the RPT_2 domain shown below is 6.17e-6.

PLSEGAPAQEATVEAQLTSVEESPKRASVDVQPLSPETPVEESPGVDLPLKTNEVTMQEF
RVEKMPAEDPLPPSEQTPADQVLLKEHRLSQVADISEKELESTTLTSDKMSEGIDSVPED
VSGTKDDQ

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