The domain within your query sequence starts at position 360 and ends at position 442; the E-value for the RPT_2 domain shown below is 1.19e-5.

EWGKLHVAILEREKQLRSEFERLECLQRIVSKLQMEAGLCEEQLNQADALLQSDIRLLAS
GKVAQRAGEVERDLDKADGMIRL

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