1994
Replacement of the conserved G.U with a G-C pair at the cleavage site of the Tetrahymena ribozyme decreases binding, reactivity, and fidelity.
Pyle AM, Moran S, Strobel SA, Chapman T, Turner DH, Cech TR. Replacement of the conserved G.U with a G-C pair at the cleavage site of the Tetrahymena ribozyme decreases binding, reactivity, and fidelity. Biochemistry 1994, 33: 13856-63. PMID: 7947794, DOI: 10.1021/bi00250a040.Peer-Reviewed Original Research
1990
Direct measurement of oligonucleotide substrate binding to wild-type and mutant ribozymes from Tetrahymena.
Pyle AM, McSwiggen JA, Cech TR. Direct measurement of oligonucleotide substrate binding to wild-type and mutant ribozymes from Tetrahymena. Proceedings Of The National Academy Of Sciences Of The United States Of America 1990, 87: 8187-8191. PMID: 2236030, PMCID: PMC54920, DOI: 10.1073/pnas.87.21.8187.Peer-Reviewed Original ResearchConceptsSingle base changeBase-pairing interactionsGuanosine-binding siteRNA substratesSubstrate bindingRNA cleavageOligonucleotide substratesEfficient RNA cleavageTertiary interactionsBase changesRibozyme variantsTetrahymena ribozymeWeak substrateMutant ribozymesRibozymePolyacrylamide gelsEquilibrium dissociation constantsDeoxyribose sugarCatalytic activityDivalent cationsEnergetic stabilizationMutagenesisDissociation constantsTetrahymenaLow Mg2