The domain within your query sequence starts at position 744 and ends at position 810; the E-value for the RPT_1 domain shown below is 6.86e-8.

VEMEQELQTLRFELEDEGKAMLASLRSELNHQHAASIDLLRHSHHQELAAAKMELERSID
ISRRQSK

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