The domain within your query sequence starts at position 178 and ends at position 234; the E-value for the RPT_1 domain shown below is 1.6e-14.

PLPAPKPGPVSRPVTISRPVGVSKPIGVSKPVTVGKPVGVSKPIGISKPVTVSRPIP

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