2020
Visualizing group II intron dynamics between the first and second steps of splicing
Manigrasso J, Chillón I, Genna V, Vidossich P, Somarowthu S, Pyle AM, De Vivo M, Marcia M. Visualizing group II intron dynamics between the first and second steps of splicing. Nature Communications 2020, 11: 2837. PMID: 32503992, PMCID: PMC7275048, DOI: 10.1038/s41467-020-16741-4.Peer-Reviewed Original ResearchConceptsGroup II intron splicingGroup II intronsSelf-splicing ribozymesGene-editing toolsIntron dynamicsEukaryotic spliceosomeActive site dynamicsIntron splicingRetrotransposable elementsCatalytic triadSplicingMolecular machinesConformational changesFirst residueMultiple conformationsSite dynamicsSpliceosomeIntronsStructural rearrangementsX-ray crystallographyEnzymatic assayStructural dataEnzymatic strategyFunctional dataActive site
2014
Principles of ion recognition in RNA: insights from the group II intron structures
Marcia M, Pyle AM. Principles of ion recognition in RNA: insights from the group II intron structures. RNA 2014, 20: 516-527. PMID: 24570483, PMCID: PMC3964913, DOI: 10.1261/rna.043414.113.Peer-Reviewed Original ResearchConceptsActive siteSite-bound ionsIon recognitionMetal ionsOrganic ionsLatter ionIon-binding sitesCatalytic ionsCrystal structureGU wobble pairsMonovalent ionsLarge RNA moleculesIonsStructural ionsBiophysical methodsGroup II intron structureGA mismatchesLong-range tertiary contactsRNA structureRNA foldingTertiary contactsWobble pairStructureCatalysisHeteronuclear
2013
Defining the functional determinants for RNA surveillance by RIG‐I
Kohlway A, Luo D, Rawling DC, Ding SC, Pyle AM. Defining the functional determinants for RNA surveillance by RIG‐I. EMBO Reports 2013, 14: 772-779. PMID: 23897087, PMCID: PMC3790051, DOI: 10.1038/embor.2013.108.Peer-Reviewed Original ResearchConceptsMelanoma differentiation-associated gene 5Robust ATPase activityDuplex RNA substrateMinimal functional unitATPase activityRetinoic acid-inducible geneInnate immune machineryAcid-inducible geneRNA surveillanceDifferentiation-associated gene 5RNA substratesIntracellular RNA sensorsDuplex RNARNA complexRNA targetsGene 5RNA virusesDistinct conformationsRNA sensorsDsRNA complexImmune machineryRNA duplexesInterferon responseFunctional determinantsFunctional units
2003
Domains 2 and 3 Interact to Form Critical Elements of the Group II Intron Active Site
Fedorova O, Mitros T, Pyle AM. Domains 2 and 3 Interact to Form Critical Elements of the Group II Intron Active Site. Journal Of Molecular Biology 2003, 330: 197-209. PMID: 12823961, DOI: 10.1016/s0022-2836(03)00594-1.Peer-Reviewed Original Research
2000
[10] Using DNAzylnes to cut, process, and map RNA molecules for structural studies or modification
Pyle AM, Chu VT, Jankowsky E, Boudvillain M. [10] Using DNAzylnes to cut, process, and map RNA molecules for structural studies or modification. Methods In Enzymology 2000, 317: 140-146. PMID: 10829278, DOI: 10.1016/s0076-6879(00)17012-0.Peer-Reviewed Original ResearchConceptsStructural studiesTypes of DNAzymeTemplate-directed ligationDNAzyme reactionDNAzyme moleculesSimple DNA moleculesDNAzymeDivalent ionsAnalytical scaleMoleculesDNA moleculesAddition of Mg2Crystallographic applicationsRNA targetsRNA moleculesCatalytic coreIonsLong RNAsReactionModificationDifferent applicationsInexpensive wayRNA fragmentsMg2Incorporation