The domain within your query sequence starts at position 493 and ends at position 744; the E-value for the RPT_2 domain shown below is 2.83e-6.

EQQLLRRFWFVWHQQAAVCQLERQQQAMAIAHHHSGLLRRAFCIWKESTQGFRIERMGRA
QAAHFHSAQLLSRAWSMWRECLALRLEEQQKLKCAALHSQCILLRRALQKWLVYQNRVRS
VLREVAARERQHNRQLLWWALHLWRENTMARLDGAKKTSQARVHYSRTLCSKVLVQWREV
TSVQIYYRQKEAAALREARKALDRGRLQNWFQHWRFCSQRAAQQRFQLGQAAQHHHWQLL
MEAMARWKAHHL

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