タンパク質・ペプチド: Isoform 7 of Cyclin-dependent kinase 11B
リガンド: ADENOSINE-5'-DIPHOSPHATE
リガンド: MAGNESIUM ION
リガンド: water
キーワード
Complex / cell cycle / kinase / TRANSFERASE
機能・相同性
機能・相同性情報
mitotic sister chromatid cohesion, centromeric / RNA polymerase II CTD heptapeptide repeat S5 kinase activity / ventricular system development / snRNA transcription by RNA polymerase II / regulation of mRNA processing / regulation of centrosome cycle / transcription factor TFIIK complex / CAK-ERCC2 complex / transcription factor TFIIH core complex / transcription factor TFIIH holo complex ...mitotic sister chromatid cohesion, centromeric / RNA polymerase II CTD heptapeptide repeat S5 kinase activity / ventricular system development / snRNA transcription by RNA polymerase II / regulation of mRNA processing / regulation of centrosome cycle / transcription factor TFIIK complex / CAK-ERCC2 complex / transcription factor TFIIH core complex / transcription factor TFIIH holo complex / cyclin-dependent protein serine/threonine kinase activator activity / adult heart development / [RNA-polymerase]-subunit kinase / RNA Polymerase I Transcription Termination / cyclin-dependent protein serine/threonine kinase regulator activity / RNA Pol II CTD phosphorylation and interaction with CE during HIV infection / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / Formation of the HIV-1 Early Elongation Complex / mRNA Capping / HIV Transcription Initiation / RNA Polymerase II HIV Promoter Escape / Transcription of the HIV genome / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / regulation of RNA splicing / RNA Polymerase I Transcription Initiation / regulation of G1/S transition of mitotic cell cycle / RNA polymerase II transcribes snRNA genes / cyclin-dependent kinase / cyclin-dependent protein serine/threonine kinase activity / ATP-dependent activity, acting on DNA / Tat-mediated elongation of the HIV-1 transcript / Cyclin E associated events during G1/S transition / Formation of HIV-1 elongation complex containing HIV-1 Tat / Cyclin A:Cdk2-associated events at S phase entry / Formation of HIV elongation complex in the absence of HIV Tat / cyclin-dependent protein kinase holoenzyme complex / Cyclin A/B1/B2 associated events during G2/M transition / RNA Polymerase II Transcription Elongation / Formation of RNA Pol II elongation complex / RNA polymerase II CTD heptapeptide repeat kinase activity / RNA Polymerase II Pre-transcription Events / Recruitment of mitotic centrosome proteins and complexes / positive regulation of smooth muscle cell proliferation / male germ cell nucleus / TP53 Regulates Transcription of DNA Repair Genes / nucleotide-excision repair / transcription initiation at RNA polymerase II promoter / RNA Polymerase I Promoter Escape / regulation of cell growth / G1/S transition of mitotic cell cycle / NoRC negatively regulates rRNA expression / response to calcium ion / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / fibrillar center / Formation of Incision Complex in GG-NER / Dual incision in TC-NER / Cyclin D associated events in G1 / Gap-filling DNA repair synthesis and ligation in TC-NER / kinase activity / mitotic cell cycle / RUNX1 regulates transcription of genes involved in differentiation of HSCs / regulation of apoptotic process / transcription by RNA polymerase II / protein phosphorylation / protein kinase activity / regulation of cell cycle / protein stabilization / cell division / protein serine kinase activity / DNA repair / protein serine/threonine kinase activity / apoptotic process / regulation of DNA-templated transcription / regulation of transcription by RNA polymerase II / negative regulation of apoptotic process / perinuclear region of cytoplasm / positive regulation of transcription by RNA polymerase II / RNA binding / zinc ion binding / nucleoplasm / ATP binding / nucleus / plasma membrane / cytoplasm / cytosol 類似検索 - 分子機能
ジャーナル: Science / 年: 2025 タイトル: Structural basis of T-loop-independent recognition and activation of CDKs by the CDK-activating kinase. 著者: Victoria I Cushing / Amy J S McGeoch / Sophie L Williams / Theodoros I Roumeliotis / Junjie Feng / Lucy M Dan / Jyoti S Choudhary / Norman E Davey / Basil J Greber / 要旨: Cyclin-dependent kinases (CDKs) are prototypical regulators of the cell cycle. The CDK-activating kinase (CAK) acts as a master regulator of CDK activity by catalyzing the activating phosphorylation ...Cyclin-dependent kinases (CDKs) are prototypical regulators of the cell cycle. The CDK-activating kinase (CAK) acts as a master regulator of CDK activity by catalyzing the activating phosphorylation of CDKs on a conserved threonine residue within the regulatory T-loop. However, structural data illuminating the mechanism by which the CAK recognizes and activates CDKs have remained elusive. In this study, we determined high-resolution structures of the CAK in complex with CDK2 and CDK2-cyclin A2 by cryogenic electron microscopy. Our structures reveal a T-loop-independent kinase-kinase interface with contributions from both kinase lobes. Computational analysis and structures of the CAK in complex with CDK1-cyclin B1 and CDK11 indicate that these structures represent the general architecture of CAK-CDK complexes. These results advance our mechanistic understanding of cell cycle regulation and kinase signaling cascades.