2005
Regulation of CHK2 by DNA-dependent Protein Kinase*
Li J, Stern DF. Regulation of CHK2 by DNA-dependent Protein Kinase*. Journal Of Biological Chemistry 2005, 280: 12041-12050. PMID: 15668230, DOI: 10.1074/jbc.m412445200.Peer-Reviewed Original ResearchMeSH KeywordsAndrostadienesAntigens, NuclearAtaxia Telangiectasia Mutated ProteinsCell Cycle ProteinsCells, CulturedCheckpoint Kinase 2DNADNA DamageDNA-Activated Protein KinaseDNA-Binding ProteinsEnzyme ActivationHumansKu AutoantigenNuclear ProteinsPhosphorylationProtein Serine-Threonine KinasesTumor Suppressor ProteinsWortmanninConceptsActivation of Chk2DNA-PKChk2 phosphorylationDNA damageDNA-Dependent Protein Kinase Catalytic SubunitProtein Kinase Catalytic SubunitDNA-dependent protein kinaseFunctional DNA-PKRegulation of Chk2Kinase catalytic subunitRegulation of DNAChk2 kinase activityATM-deficient cellsDiverse cellular responsesKinase inhibitor wortmanninATM-defective cellsChk2 activationExposure of cellsCatalytic subunitProtein kinaseKinase activityChk2Inhibitor wortmanninRabbit reticulocytesCellular responses
2002
Chk2 Activation and Phosphorylation-Dependent Oligomerization
Xu X, Tsvetkov LM, Stern DF. Chk2 Activation and Phosphorylation-Dependent Oligomerization. Molecular And Cellular Biology 2002, 22: 4419-4432. PMID: 12024051, PMCID: PMC133858, DOI: 10.1128/mcb.22.12.4419-4432.2002.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAtaxia Telangiectasia Mutated ProteinsBinding SitesCell Cycle ProteinsCell-Free SystemCells, CulturedCheckpoint Kinase 2DNA DamageDNA-Binding ProteinsEnzyme ActivationFibroblastsGenes, Tumor SuppressorHumansMutationPhosphorylationProtein KinasesProtein Serine-Threonine KinasesProtein Structure, TertiaryRabbitsRadiation, IonizingRecombinant ProteinsSignal TransductionTumor Suppressor ProteinsConceptsSQ/TQ cluster domainsChk2 activationDNA damageDNA damage checkpoint pathwaySerine/threonine kinaseAutophosphorylation of Chk2Phosphorylation-dependent oligomerizationDamage checkpoint pathwayKinase catalytic domainForkhead-associated (FHA) domainWortmannin-sensitive kinaseChk2 kinase activityLimited DNA damageAmino acid substitutionsCell-free systemEukaryotic proteinsFHA domainActive Chk2Threonine kinaseCheckpoint functionCatalytic domainOligomeric complexesCheckpoint pathwayKinase activityChk2