Mutations at the guanosine-binding site of the Tetrahymena ribozyme also affect site-specific hydrolysis.
Legault P, Herschlag D, Celander DW, Cech TR. Mutations at the guanosine-binding site of the Tetrahymena ribozyme also affect site-specific hydrolysis. Nucleic Acids Res. 1992 Dec 25; 20(24):6613-9.