The domain within your query sequence starts at position 238 and ends at position 306; the E-value for the RPT_1 domain shown below is 6.88e-12.

LGTGTTVGLVSKDLIRKPGVGSIAGIIHKDLIKKPALSTAVGLVTKDPGKKPMFNAAVGL
INKDSVKKL

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