The domain within your query sequence starts at position 136 and ends at position 218; the E-value for the RPT_2 domain shown below is 8.51e-6.

QWIRHHTAAFEERKFPSSFEEIEILWCQFLKFKETELPAKEADKNRSKVIYQSLEGAVQA
GQLKIPPGYHPLDVEKEWGKLHV

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