Smith, M Duane The ionic environment determines ribozyme cleavage rate by modulation of nucleobase pK a. [electronic resource] - RNA (New York, N.Y.) Sep 2008 - 1942-9 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1469-9001 Standard No.: 10.1261/rna.1102308 doi Subjects--Topical Terms: CatalysisCations--chemistryEndoribonucleases--chemistryHydrogen-Ion ConcentrationNucleotides--chemistryRNA--chemistryRNA, Catalytic--chemistry