2004
An Intronic Enhancer Regulates Splicing of the Twintron of Drosophila melanogaster prospero Pre-mRNA by Two Different Spliceosomes
Scamborova P, Wong A, Steitz JA. An Intronic Enhancer Regulates Splicing of the Twintron of Drosophila melanogaster prospero Pre-mRNA by Two Different Spliceosomes. Molecular And Cellular Biology 2004, 24: 1855-1869. PMID: 14966268, PMCID: PMC350559, DOI: 10.1128/mcb.24.5.1855-1869.2004.Peer-Reviewed Original ResearchConceptsPurine-rich elementSplicing pathwaySplice siteU12-type spliceosomeU12-type splicingVitro splicing systemForms of mRNAAlternative splicingEarly embryogenesisKc cellsIntron sequencesPre-mRNASystematic deletionIntronic enhancerSplicingSequence requirementsIntron regionsEnhancer elementsNucleotides downstreamMolecular mechanismsTwintronSpliceosomeSplicing systemMutation analysisPathway
1994
The site of 3′ end formation of histone messenger RNA is a fixed distance from the downstream element recognized by the U7 snRNP.
Scharl EC, Steitz JA. The site of 3′ end formation of histone messenger RNA is a fixed distance from the downstream element recognized by the U7 snRNP. The EMBO Journal 1994, 13: 2432-2440. PMID: 8194533, PMCID: PMC395109, DOI: 10.1002/j.1460-2075.1994.tb06528.x.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsBase SequenceCell NucleusCell-Free SystemCross-Linking ReagentsFurocoumarinsGuanosineHeLa CellsHistonesHumansMiceMolecular Sequence DataNucleic Acid ConformationProtein BindingRegulatory Sequences, Nucleic AcidRibonuclease HRibonucleoproteins, Small NuclearRNA Processing, Post-TranscriptionalRNA, MessengerStructure-Activity RelationshipSubstrate SpecificityConceptsHistone downstream elementU7 small nuclear ribonucleoproteinSmall nuclear ribonucleoproteinHistone messenger RNAInsertion mutantsEnd formationSite of cleavageEnd processingDownstream elementsA residuesMessenger RNAAnti-trimethylguanosine antibodyStem-loop structureWild-type substrateCross-linking studiesPremessenger RNANuclear ribonucleoproteinEnzymatic componentsNew cleavage siteNucleotides downstreamC residuesMolecular rulerCleavage siteRNAHistones
1993
A small nucleolar RNA is processed from an intron of the human gene encoding ribosomal protein S3.
Tycowski KT, Shu MD, Steitz JA. A small nucleolar RNA is processed from an intron of the human gene encoding ribosomal protein S3. Genes & Development 1993, 7: 1176-1190. PMID: 8319909, DOI: 10.1101/gad.7.7a.1176.Peer-Reviewed Original ResearchMeSH KeywordsBase SequenceCell NucleolusCell-Free SystemConserved SequenceElectrophoresis, Polyacrylamide GelHeLa CellsHumansIntronsMolecular Sequence DataNucleic Acid ConformationRestriction MappingRibosomal ProteinsRNA PrecursorsRNA Processing, Post-TranscriptionalRNA, Small NuclearSequence Analysis, RNAUracil NucleotidesConceptsSmall nucleolar RNAsNucleolar RNAsRibosomal protein S3 geneNuclear RNA polymerasesSingle-copy geneSingle primary transcriptRibosomal protein S3Secondary structure modelStem-loop structureVertebrate cellsNucleolar proteinsProtein S3Transcription signalsHuman genesRNA polymerasePrimary transcriptConserved sequencesS3 geneNucleolar snRNASame strandS3 mRNANucleotides downstreamMature endNucleolar componentsIntron 1