The domain within your query sequence starts at position 739 and ends at position 808; the E-value for the RPT_2 domain shown below is 4e-7.

MEGFRVEMEQELQTLRFELEDEGKAMLASLRSELNHQHAASIDLLRHSHHQELAAAKMEL
ERSIDISRRQ

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