The domain within your query sequence starts at position 1024 and ends at position 1213; the E-value for the RPT_2 domain shown below is 1.06e-5.

DPELPKPLRNDQEVVRSLDKENQESLVSLNEGGMETVKSSETENIESLETVGECLGRRKS
VDTQEPLWSTEVTSETIEPLEDETQEPLGCVDENQEVLTPLERESQELRSLGKWNPETVE
SPGGVEDSQQCLEVEEGPEREQHQESLRSLGEVEWELPGSGSQQRWEDVVEDGEGQEASL
GATGVETEDK

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