Featured Publications
Polo-like Kinase 1 and Chk2 Interact and Co-localize to Centrosomes and the Midbody*
Tsvetkov L, Xu X, Li J, Stern DF. Polo-like Kinase 1 and Chk2 Interact and Co-localize to Centrosomes and the Midbody*. Journal Of Biological Chemistry 2002, 278: 8468-8475. PMID: 12493754, DOI: 10.1074/jbc.m211202200.Peer-Reviewed Original ResearchConceptsPhosphorylation of Chk2Polo-like kinase 1Thr-68DNA damageSimilar subcellular localization patternsDNA damage checkpoint pathwayKinase 1Damage checkpoint pathwaySubcellular localization patternsChromosome segregationMitotic exitLate mitosisNuclear fociMitotic entryIndirect immunofluorescence microscopyMitotic checkpointSer-28Early mitosisCheckpoint pathwayChk2Localization patternsCentrosomesThr-26Immunofluorescence microscopyMidbody
2005
Interaction of Chromatin-associated Plk1 and Mcm7*
Tsvetkov L, Stern DF. Interaction of Chromatin-associated Plk1 and Mcm7*. Journal Of Biological Chemistry 2005, 280: 11943-11947. PMID: 15654075, DOI: 10.1074/jbc.m413514200.Peer-Reviewed Original ResearchMeSH KeywordsCell Cycle ProteinsCells, CulturedChromatinDNA DamageDNA ReplicationDNA-Binding ProteinsHumansImmunoprecipitationMinichromosome Maintenance Complex Component 3Minichromosome Maintenance Complex Component 7MitosisNuclear ProteinsPhosphorylationProtein KinasesProtein Serine-Threonine KinasesProto-Oncogene ProteinsTranscription FactorsConceptsPolo-box domainEndogenous Plk1Mcm2-7 protein complexPBD of Plk1DNA damage checkpointMultifunctional protein kinaseInteraction of chromatinFull-length Plk1Soluble chromatin fractionMinichromosome maintenance proteinsChromosome segregationMitotic exitDamage checkpointPlk1 interactsMitotic structuresProtein complexesMitotic entryDNA replicationChromatin fractionProtein kinaseMitotic eventsMaintenance proteinsCell cyclePlk1MCM7
2004
Phosphorylation of Plk1 at S137 and T210 is Inhibited in Response to DNA Damage
Tsvetkov L, Stern DF. Phosphorylation of Plk1 at S137 and T210 is Inhibited in Response to DNA Damage. Cell Cycle 2004, 4: 166-171. PMID: 15611664, DOI: 10.4161/cc.4.1.1348.Peer-Reviewed Original ResearchMeSH KeywordsAtaxia Telangiectasia Mutated ProteinsCaffeineCDC2 Protein KinaseCdc25 PhosphatasesCell Cycle ProteinsCell DivisionCell Line, TumorCheckpoint Kinase 1Checkpoint Kinase 2Cyclin BDNA DamageDNA-Binding ProteinsDoxorubicinEnzyme ActivationG2 PhaseHumansMitosisNocodazolePhosphorylationProtein KinasesProtein Serine-Threonine KinasesProto-Oncogene ProteinsSerineSignal TransductionStaurosporineThreonineTumor Suppressor ProteinsConceptsDNA damage checkpointThreonine 210Damage checkpointPlk1 phosphorylationDNA damageCdc2/cyclin B kinaseATR-dependent checkpoint pathwayChk2 protein kinaseDNA damage-induced inhibitionATM/ATRCyclin B kinasePolo-like kinase 1Phosphorylation of PLK1Activation of Cdc25CNuclear importPhosphopeptide mappingMitotic entryActivation loopPhosphorylation sitesVivo phosphorylationPlk1 activityKinase domainProtein kinasePrevents phosphorylationActive mutant