The domain within your query sequence starts at position 1377 and ends at position 1485; the E-value for the RPT_1 domain shown below is 2.63e-5.

EKQYQERLEEEIAKVIVSMSIAFAQQTELSRLSEGKENTIQSEQAHTLCSQNKHQLNDIT
SQSQVGLQTFEATDKNFKEEFKPLSKELGEYRKAVPLSSHDDLDDILKS

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