- EMDB-4037: Cryo-EM structure of the Anaphase-promoting complex/Cyclosome, in... -
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データベース: EMDB / ID: EMD-4037
タイトル
Cryo-EM structure of the Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex (APC/C-MCC) at 4.2 angstrom resolution
マップデータ
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試料
複合体: Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex in closed conformation (APC/C-MCC-closed) at 4.2 angstrom resolution
mitotic spindle assembly checkpoint MAD1-MAD2 complex / metaphase/anaphase transition of cell cycle / metaphase/anaphase transition of meiosis I / Inhibition of the proteolytic activity of APC/C required for the onset of anaphase by mitotic spindle checkpoint components / mitotic checkpoint complex / positive regulation of anaphase-promoting complex-dependent catabolic process / positive regulation of mitotic cell cycle spindle assembly checkpoint / regulation of meiotic nuclear division / establishment of centrosome localization / positive regulation of synapse maturation ...mitotic spindle assembly checkpoint MAD1-MAD2 complex / metaphase/anaphase transition of cell cycle / metaphase/anaphase transition of meiosis I / Inhibition of the proteolytic activity of APC/C required for the onset of anaphase by mitotic spindle checkpoint components / mitotic checkpoint complex / positive regulation of anaphase-promoting complex-dependent catabolic process / positive regulation of mitotic cell cycle spindle assembly checkpoint / regulation of meiotic nuclear division / establishment of centrosome localization / positive regulation of synapse maturation / Conversion from APC/C:Cdc20 to APC/C:Cdh1 in late anaphase / regulation of mitotic cell cycle spindle assembly checkpoint / meiotic sister chromatid cohesion, centromeric / regulation of dendrite development / Inactivation of APC/C via direct inhibition of the APC/C complex / APC/C:Cdc20 mediated degradation of mitotic proteins / positive regulation of synaptic plasticity / Phosphorylation of Emi1 / anaphase-promoting complex / Aberrant regulation of mitotic exit in cancer due to RB1 defects / protein branched polyubiquitination / metaphase/anaphase transition of mitotic cell cycle / regulation of meiotic cell cycle / anaphase-promoting complex-dependent catabolic process / Phosphorylation of the APC/C / regulation of exit from mitosis / anaphase-promoting complex binding / nuclear pore nuclear basket / outer kinetochore / protein localization to chromosome, centromeric region / positive regulation of mitotic metaphase/anaphase transition / positive regulation of dendrite morphogenesis / positive regulation of ubiquitin protein ligase activity / ubiquitin ligase activator activity / protein K11-linked ubiquitination / negative regulation of mitotic cell cycle / regulation of mitotic metaphase/anaphase transition / mitotic sister chromatid cohesion / ubiquitin-ubiquitin ligase activity / mitotic metaphase chromosome alignment / negative regulation of ubiquitin protein ligase activity / mitotic spindle assembly checkpoint signaling / Regulation of APC/C activators between G1/S and early anaphase / cullin family protein binding / mitotic sister chromatid segregation / establishment of mitotic spindle orientation / Transcriptional Regulation by VENTX / mitotic spindle assembly / enzyme-substrate adaptor activity / APC/C:Cdc20 mediated degradation of Cyclin B / ubiquitin-like ligase-substrate adaptor activity / positive regulation of axon extension / protein K48-linked ubiquitination / APC-Cdc20 mediated degradation of Nek2A / heterochromatin / intercellular bridge / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / nuclear periphery / SCF-beta-TrCP mediated degradation of Emi1 / regulation of mitotic cell cycle / Resolution of Sister Chromatid Cohesion / Assembly of the pre-replicative complex / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / RHO GTPases Activate Formins / CDK-mediated phosphorylation and removal of Cdc6 / G protein-coupled receptor binding / negative regulation of protein catabolic process / brain development / kinetochore / spindle / histone deacetylase binding / Separation of Sister Chromatids / spindle pole / neuron projection development / ubiquitin-protein transferase activity / mitotic spindle / Antigen processing: Ubiquitination & Proteasome degradation / ubiquitin protein ligase activity / nervous system development / mitotic cell cycle / Senescence-Associated Secretory Phenotype (SASP) / microtubule cytoskeleton / ubiquitin-dependent protein catabolic process / protein phosphatase binding / molecular adaptor activity / cell differentiation / Ub-specific processing proteases / non-specific serine/threonine protein kinase / protein ubiquitination / protein kinase activity / ciliary basal body / negative regulation of gene expression / cell division / protein serine kinase activity / intracellular membrane-bounded organelle 類似検索 - 分子機能
ジャーナル: Nature / 年: 2016 タイトル: Molecular basis of APC/C regulation by the spindle assembly checkpoint. 著者: Claudio Alfieri / Leifu Chang / Ziguo Zhang / Jing Yang / Sarah Maslen / Mark Skehel / David Barford / 要旨: In the dividing eukaryotic cell, the spindle assembly checkpoint (SAC) ensures that each daughter cell inherits an identical set of chromosomes. The SAC coordinates the correct attachment of sister ...In the dividing eukaryotic cell, the spindle assembly checkpoint (SAC) ensures that each daughter cell inherits an identical set of chromosomes. The SAC coordinates the correct attachment of sister chromatid kinetochores to the mitotic spindle with activation of the anaphase-promoting complex (APC/C), the E3 ubiquitin ligase responsible for initiating chromosome separation. In response to unattached kinetochores, the SAC generates the mitotic checkpoint complex (MCC), which inhibits the APC/C and delays chromosome segregation. By cryo-electron microscopy, here we determine the near-atomic resolution structure of a human APC/C–MCC complex (APC/C(MCC)). Degron-like sequences of the MCC subunit BubR1 block degron recognition sites on Cdc20, the APC/C coactivator subunit responsible for substrate interactions. BubR1 also obstructs binding of the initiating E2 enzyme UbcH10 to repress APC/C ubiquitination activity. Conformational variability of the complex enables UbcH10 association, and structural analysis shows how the Cdc20 subunit intrinsic to the MCC (Cdc20(MCC)) is ubiquitinated, a process that results in APC/C reactivation when the SAC is silenced.
全体 : Anaphase-promoting complex/Cyclosome, in complex with the Mitotic...
全体
名称: Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex in closed conformation (APC/C-MCC-closed) at 4.2 angstrom resolution
要素
複合体: Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex in closed conformation (APC/C-MCC-closed) at 4.2 angstrom resolution
タンパク質・ペプチド: Anaphase-promoting complex subunit 1
タンパク質・ペプチド: Anaphase-promoting complex subunit 11
タンパク質・ペプチド: Cell division cycle protein 23 homolog
タンパク質・ペプチド: Anaphase-promoting complex subunit 15
タンパク質・ペプチド: Anaphase-promoting complex subunit 16
タンパク質・ペプチド: Cell division cycle protein 27 homolog