2020
Discovery of cellular substrates of human RNA-decapping enzyme DCP2 using a stapled bicyclic peptide inhibitor
Luo Y, Schofield JA, Na Z, Hann T, Simon MD, Slavoff SA. Discovery of cellular substrates of human RNA-decapping enzyme DCP2 using a stapled bicyclic peptide inhibitor. Cell Chemical Biology 2020, 28: 463-474.e7. PMID: 33357462, PMCID: PMC8052284, DOI: 10.1016/j.chembiol.2020.12.003.Peer-Reviewed Original ResearchConceptsRNA decayEnzyme DCP2P-bodiesDCP2Genetic approachesRNA substratesBicyclic peptide inhibitorsHuman RNAExpression changesCellular substratesPhage display selectionSelective chemical inhibitorsChemical inhibitorsHuman cellsGenetic ablationBicyclic peptide ligandsPeptide inhibitorCP21Display selectionPeptide ligandsHigh affinityRegulomeTranscriptionInhibitorsPowerful tool
2019
Reengineering a tRNA Methyltransferase To Covalently Capture New RNA Substrates
Smith TS, Zoltek MA, Simon MD. Reengineering a tRNA Methyltransferase To Covalently Capture New RNA Substrates. Journal Of The American Chemical Society 2019, 141: 17460-17465. PMID: 31626536, DOI: 10.1021/jacs.9b08529.Peer-Reviewed Original ResearchConceptsSubstrate specificityRNA substratesSubstrate RNARNA substrate specificityWild-type proteinCovalent RNA modificationsHigh-throughput sequencing assaysDouble mutantRNA modificationsTriple mutantSubstrate mutantsTRNA methyltransferaseProtein engineeringRNA transcriptsMutantsRational engineeringRNASubstrate screeningTRMASequencing assaysMethyltransferaseEnzymeProteinPowerful toolSpecificity
2007
The Site-Specific Installation of Methyl-Lysine Analogs into Recombinant Histones
Simon MD, Chu F, Racki LR, de la Cruz CC, Burlingame AL, Panning B, Narlikar GJ, Shokat KM. The Site-Specific Installation of Methyl-Lysine Analogs into Recombinant Histones. Cell 2007, 128: 1003-1012. PMID: 17350582, PMCID: PMC2932701, DOI: 10.1016/j.cell.2006.12.041.Peer-Reviewed Original ResearchConceptsLysine methylationChromatin structureRecombinant histonesContext of chromatinHistone lysine methylationHistone lysine residuesSpecific lysine methylationNucleosome remodelingEffector proteinsPosttranslational modificationsDegree of methylationRecombinant proteinsHistonesLysine residuesMethyl lysineMethylationBiochemical mechanismsSite-specific installationProteinRapid generationNatural counterpartsChromatinPowerful toolAdaptorResidues