The domain within your query sequence starts at position 132 and ends at position 189; the E-value for the RPT_1 domain shown below is 3.04e-6.

VKCPNKGCLQKMELRHLEDHQVHCEFALVNCPQCQRPFQKCQVNTHIIEDCPRRQVSC

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