The domain within your query sequence starts at position 567 and ends at position 629; the E-value for the RPT_1 domain shown below is 1.92e-7.

PASSTTSFFYSNPHDSLVMNTLTSFSPPLNQETAVEAPSRRTDDEIPPPLPERTPESFIV
VEE

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