The domain within your query sequence starts at position 652 and ends at position 757; the E-value for the RPT_3 domain shown below is 2.48e-7.

TKTFIPGPADQKTDLSPVPPTSSSHAEKPVSPYQLTLPGSHLPEDVFKASSVCKSSDELS
GITALTSASYSYKGRPNSSYQQKFPDSHLNEEAQKILGTTGTVDQK

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