The domain within your query sequence starts at position 629 and ends at position 716; the E-value for the RPT_2 domain shown below is 6.53e-5.

TPKKQALYLMFDTPQESPVKSPPVRMSDSPTPCSGSSFEDTEALVNAATKLQHPVARGLP
SSQEPLLQVPEKPSQKELEAMALGTPAE

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