The domain within your query sequence starts at position 69 and ends at position 314; the E-value for the RPT_3 domain shown below is 2.4e-5.

RKFLYLWIRVTFGRVTPSRARIFHEQKILQKVFGEWREEWWVSQREWKLCVRADCHYRYY
LYNLIFQNWKTFVHQQREMRKRFRIAEHHDTKQKMCQAWKSWLIYMVSRRTKLHMKTTAL
EFRRQSVLCFWWSKWRWRLGQAHAEHALHAVAVKHRALSLQLQGWLRWQEQLLISQRDRR
KEATAVQHYQHWQKQRSLKAWLKYLQICRVKRWQNEMAVQFHRATVLQIHFCDWQWAWEW
RQSLSA

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