The domain within your query sequence starts at position 229 and ends at position 316; the E-value for the RPT_2 domain shown below is 9.21e-13.

PPRPQASDSESEELPKPRVSDSESEDPQKGPASDSEAEDASRHKEKPDSDDSDGENKRED
SEVQNESDGHTDRKGLHSSDSEEEEPKR

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