Moiseyev GP, Yakovlev GI, Chernyi AA, Polyakov KM, Oivanen M, Lönnberg H, Beigelman LN, Efimtseva EV, Mikhailov SN. Determination of the nucleotide conformation in the productive enzyme-substrate complexes of RNA-depolymerases. FEBS Lett. 1997 Mar 10; 404(2-3):169-72.