The domain within your query sequence starts at position 99 and ends at position 175; the E-value for the RPT_2 domain shown below is 5.51e-11.

VTHLHRPVLVICLHCPAQVTHLHCPALVTHLHCPVLVTRLHCPALVTHLHCPVLVTHLHC
PALVTHLHCPAQVTRLH

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