Predicted to enable ATP binding activity and ATP hydrolysis activity. Predicted to be involved in ribosomal large subunit assembly and ribosomal large subunit export from nucleus. Predicted to be located in nucleolus and nucleoplasm. Predicted to be part of preribosome, large subunit precursor. Predicted to be active in nucleus. Orthologous to human MDN1 (midasin AAA ATPase 1).