The domain within your query sequence starts at position 152 and ends at position 266; the E-value for the RPT_1 domain shown below is 2.08e-10.

NLGYLGSLEEPDYPGAQDNSYYHSGSRPHSNLPGSRRDAGYAGSRINSYPDDLGEPDYPG
AENQPNSPRFYGKPDYPGAEEGDGYSSSKSLAVIRRGNGPFGMLGRRNEDYPEGI

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