2007
The Beyond 12/23 Restriction Is Imposed at the Nicking and Pairing Steps of DNA Cleavage during V(D)J Recombination
Drejer-Teel AH, Fugmann SD, Schatz DG. The Beyond 12/23 Restriction Is Imposed at the Nicking and Pairing Steps of DNA Cleavage during V(D)J Recombination. Molecular And Cellular Biology 2007, 27: 6288-6299. PMID: 17636023, PMCID: PMC2099602, DOI: 10.1128/mcb.00835-07.Peer-Reviewed Original ResearchConceptsRecombination signal sequencesDNA cleavageGene segmentsDNA cleavage stepRecombination-activating gene 1Dbeta gene segmentVariable region exonsJbeta gene segmentsRAG proteinsDNA elementsSignal sequenceDirect VbetaRegion exonsGene 1Oligonucleotide substratesLocus sequenceDistinct combinationsProteinRecombinationCleavageNickingCleavage stepSequenceDifferent stepsExons
1999
Human Rad51 Protein Can Form Homologous Joints in the Absence of Net Strand Exchange*
Gupta R, Folta-Stogniew E, Radding C. Human Rad51 Protein Can Form Homologous Joints in the Absence of Net Strand Exchange*. Journal Of Biological Chemistry 1999, 274: 1248-1256. PMID: 9880493, DOI: 10.1074/jbc.274.3.1248.Peer-Reviewed Original ResearchConceptsStrand exchangeRecA proteinEscherichia coli RecA proteinColi RecA proteinHuman Rad51 proteinDNA strand exchange reactionStrand exchange reactionEukaryotic homologsHsRad51 proteinRad51 proteinHomologous pairingGC contentCentral enzymeHeteroduplex DNABiological roleHsRad51Oligonucleotide substratesRich DNAGC compositionHuman DNAProteinLinear duplexHomologous jointsDNAGC pairs
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
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