The domain within your query sequence starts at position 192 and ends at position 304; the E-value for the RPT_2 domain shown below is 1.23e-13.

VAQKDQGKSEGITKPSLQQPSPKLIPKQQGPGKEVIPQDIPSKSVSSQQAEKTKPQAPGT
AKPSQQSPAQTPAQQAKPVAQQPGPAKATVQQPGPAKSPAQPAGTGKSPAQPP

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