Featured Publications
Acetyl-methyllysine marks chromatin at active transcription start sites
Lu-Culligan W, Connor L, Xie Y, Ekundayo B, Rose B, Machyna M, Pintado-Urbanc A, Zimmer J, Vock I, Bhanu N, King M, Garcia B, Bleichert F, Simon M. Acetyl-methyllysine marks chromatin at active transcription start sites. Nature 2023, 622: 173-179. PMID: 37731000, PMCID: PMC10845139, DOI: 10.1038/s41586-023-06565-9.Peer-Reviewed Original ResearchConceptsPost-translational modificationsLysine residuesActive transcription start sitesTranscription start siteRange of speciesChromatin biologyChromatin proteinsLysine methylationActive chromatinProteins BRD2Transcriptional initiationLysine acetylationHistone H4Start siteMammalian tissuesHuman diseasesSame residuesMethylationAcetylationChromatinResiduesProteinBiological signalsHistonesBRD2
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
2017
Catching RNAs on chromatin using hybridization capture methods
Machyna M, Simon MD. Catching RNAs on chromatin using hybridization capture methods. Briefings In Functional Genomics 2017, 17: 96-103. PMID: 29126220, PMCID: PMC5888980, DOI: 10.1093/bfgp/elx038.Peer-Reviewed Original ResearchConceptsRNA affinity purificationHybridization capture methodsCross-linked chromatin extractsGenome-wide scaleEnrichment of RNAInteraction of lncRNAsLncRNA localizationChromatin isolationChromatin extractsSite of interactionCapture methodAffinity purificationBiological roleRNA targetsHybridization analysisRNARNA purificationChromatinLncRNAsOligonucleotide hybridizationPurificationDevelopment of methodsProteinCapture experimentsHybridization
2011
The genomic binding sites of a noncoding RNA
Simon MD, Wang CI, Kharchenko PV, West JA, Chapman BA, Alekseyenko AA, Borowsky ML, Kuroda MI, Kingston RE. The genomic binding sites of a noncoding RNA. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 20497-20502. PMID: 22143764, PMCID: PMC3251105, DOI: 10.1073/pnas.1113536108.Peer-Reviewed Original ResearchConceptsDosage compensationCross-linked chromatin extractsMale-specific lethal (MSL) complexLevel of chromatinSpecific genomic sitesImportant regulatory roleHybridization-based techniquesLethal complexLncRNAs bindWide mappingSites of proteinsGenomic sitesChromatin extractsGenomic targetsEndogenous RNAEndogenous lncRNARNA targetsProtein targetsRegulatory roleHybridization analysisRoX2RNAChromatinProteinBinds
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