2000
Dephosphorylation of Human Cyclin-dependent Kinases by Protein Phosphatase Type 2Cα and β2 Isoforms*
Cheng A, Kaldis P, Solomon M. Dephosphorylation of Human Cyclin-dependent Kinases by Protein Phosphatase Type 2Cα and β2 Isoforms*. Journal Of Biological Chemistry 2000, 275: 34744-34749. PMID: 10934208, DOI: 10.1074/jbc.m006210200.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsChromatography, Ion ExchangeCyclin-Dependent KinasesCyclinsHeLa CellsHumansIsoenzymesMiceMolecular Sequence DataPhosphoprotein PhosphatasesPhosphorylationProtein Phosphatase 2Protein Phosphatase 2CRatsSaccharomyces cerevisiae ProteinsSequence Homology, Amino AcidSubstrate SpecificityConceptsHeLa cell extractsCyclin-dependent kinasesPP2C alphaType 2C protein phosphatasesHuman cyclin-dependent kinaseCell extractsBeta 2 isoformBinding of cyclinsDephosphorylation of cdk2Mono Q chromatographyBeta 2 proteinProtein phosphataseThreonine residuesSubstrate preferenceBeta 2Beta isoformsΒ2 isoformPhosphatase activityIsoformsDephosphorylationDEAE-SepharoseSuperdex 200KinasePhosphorylationCDK6The Effects of Changing the Site of Activating Phosphorylation in CDK2 from Threonine to Serine*
Kaldis P, Cheng A, Solomon M. The Effects of Changing the Site of Activating Phosphorylation in CDK2 from Threonine to Serine*. Journal Of Biological Chemistry 2000, 275: 32578-32584. PMID: 10931829, DOI: 10.1074/jbc.m003212200.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionCDC2-CDC28 KinasesCyclin-Dependent Kinase 2Cyclin-Dependent Kinase-Activating KinaseCyclin-Dependent KinasesHumansKineticsMutagenesis, Site-DirectedPhosphorylationProtein Serine-Threonine KinasesRecombinant Fusion ProteinsRecombinant ProteinsSerineSubstrate SpecificityThreonineConceptsWild-type Cdk2Cyclin-dependent kinasesThreonine residuesRNA polymerase IIDegradation of cyclinsHeLa cell extractsCell cycle progressionEssential phosphorylationHuman CDK2Efficient phosphorylationActivating PhosphorylationPolymerase IICyclin HTerminal domainHistone H1Cycle progressionCell extractsPhosphorylationCyclinCDK2General defectCAKKinaseSerineThreonineAnalysis of CAK activities from human cells
Kaldis P, Solomon M. Analysis of CAK activities from human cells. The FEBS Journal 2000, 267: 4213-4221. PMID: 10866826, DOI: 10.1046/j.1432-1327.2000.01455.x.Peer-Reviewed Original ResearchConceptsCdk-activating kinaseCAK activityHuman cellsTranscription factor IIHRNA polymerase IICyclin-dependent kinasesCell cycle progressionPolymerase IIThreonine residuesLarge subunitCyclin HTerminal domainSubstrate specificityCak1pKinase activityMonomeric enzymeMO15HeLa cellsATP analogKinaseSubunitsActivating Phosphorylation of the Saccharomyces cerevisiae Cyclin-dependent Kinase, Cdc28p, Precedes Cyclin Binding
Ross K, Kaldis P, Solomon M. Activating Phosphorylation of the Saccharomyces cerevisiae Cyclin-dependent Kinase, Cdc28p, Precedes Cyclin Binding. Molecular Biology Of The Cell 2000, 11: 1597-1609. PMID: 10793138, PMCID: PMC14870, DOI: 10.1091/mbc.11.5.1597.Peer-Reviewed Original ResearchMeSH KeywordsAntibody SpecificityCDC28 Protein Kinase, S cerevisiaeCell CycleCyclin ACyclin BCyclin-Dependent Kinase-Activating KinaseCyclin-Dependent KinasesCyclinsEnzyme ActivationEpitopesMutationPhosphorylationProtein Serine-Threonine KinasesRecombinant ProteinsSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsThreonineConceptsCyclin bindingCyclin-dependent kinasesEukaryotic cell cycle progressionConserved threonine residueAddition of cyclinCell cycle progressionHigher eukaryotesThreonine residuesCdc28pCDK activationProtein kinaseRegulatory mechanismsCycle progressionCell cycleCyclinKinasePhosphorylationCak1pActivation pathwayCDKBindingEukaryotesActivationMutantsThreonine
1995
KIN28 Encodes a C-Terminal Domain Kinase That Controls mRNA Transcription in Saccharomyces cerevisiae but Lacks Cyclin-Dependent Kinase-Activating Kinase (CAK) Activity
Cismowski M, Laff G, Solomon M, Reed S. KIN28 Encodes a C-Terminal Domain Kinase That Controls mRNA Transcription in Saccharomyces cerevisiae but Lacks Cyclin-Dependent Kinase-Activating Kinase (CAK) Activity. Molecular And Cellular Biology 1995, 15: 2983-2992. PMID: 7760796, PMCID: PMC230529, DOI: 10.1128/mcb.15.6.2983.Peer-Reviewed Original ResearchConceptsC-terminal domainKinase activityCTD kinaseMRNA transcriptionCritical threonine residueCyclin-dependent kinase familyCTD kinase activityRNA polymerase IICell cycle CDKsExtensive sequence identityCyclin-dependent kinasesThermosensitive alleleCTD phosphorylationPolymerase IIThreonine residuesKinase familyPositive regulatorKin28Phosphorylation stateS. cerevisiaeSequence identityCell cycleTranscriptionHuman cellsCDK