1998
An amino acid as a cofactor for a catalytic polynucleotide
Roth A, Breaker R. An amino acid as a cofactor for a catalytic polynucleotide. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 6027-6031. PMID: 9600911, PMCID: PMC27579, DOI: 10.1073/pnas.95.11.6027.Peer-Reviewed Original ResearchConceptsAmino acidsRate enhancementDramatic rate enhancementMetal ion cofactorsAbsence of enzymeGeneral base catalystSuperior polymerChemical catalysisBiological catalystsRNA cleavage reactionCatalytic potentialOrganic cofactorImidazole groupsNatural ribozymesRNA worldBase catalystChemical groupsCatalytic mechanismCatalytic DNACleavage reactionIon cofactorProtein enzymesStructural foldingSubstrate cleavageConstituent amino acids
1995
Self-Incorporation of coenzymes by ribozymes
Breaker R, Joyce G. Self-Incorporation of coenzymes by ribozymes. Journal Of Molecular Evolution 1995, 40: 551-558. PMID: 7643406, DOI: 10.1007/bf00160500.Peer-Reviewed Original ResearchConceptsFunctional groupsCoenzyme analoguesAdditional functional groupsChemical functional groupsChemical moietiesTransfer reactionsCovalent attachmentRNA enzymeAbsence of proteinStandard nucleotidesCatalysisCatalytic functionRibozyme activityRNA worldRibozymeMoietyAnaloguesCoenzymeCoA-SHMoleculesReaction