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- PDB-6q6h: Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, ... -

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Entry
Database: PDB / ID: 6q6h
TitleCryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D2 box class
Components
  • (Anaphase-promoting complex subunit ...) x 10
  • (Cell division cycle protein ...) x 4
  • Apc1
  • Cyclin-A2
KeywordsCELL CYCLE / spindle assembly checkpoint / anaphase-promoting complex / cyclin / ubiquitination
Function / homology
Function and homology information


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 / regulation of meiotic nuclear division / 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 / protein branched polyubiquitination ...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 / regulation of meiotic nuclear division / 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 / protein branched polyubiquitination / Inactivation of APC/C via direct inhibition of the APC/C complex / APC/C:Cdc20 mediated degradation of mitotic proteins / Phosphorylation of proteins involved in the G2/M transition by Cyclin A:Cdc2 complexes / Phosphorylation of Emi1 / cyclin A2-CDK1 complex / anaphase-promoting complex / Aberrant regulation of mitotic exit in cancer due to RB1 defects / cell cycle G1/S phase transition / regulation of meiotic cell cycle / anaphase-promoting complex-dependent catabolic process / metaphase/anaphase transition of mitotic cell cycle / positive regulation of synaptic plasticity / cellular response to luteinizing hormone stimulus / regulation of exit from mitosis / anaphase-promoting complex binding / Phosphorylation of the APC/C / mitotic cell cycle phase transition / cellular response to leptin stimulus / positive regulation of mitotic metaphase/anaphase transition / Transcription of E2F targets under negative control by p107 (RBL1) and p130 (RBL2) in complex with HDAC1 / ubiquitin ligase activator activity / positive regulation of ubiquitin protein ligase activity / male pronucleus / protein K11-linked ubiquitination / female pronucleus / enzyme-substrate adaptor activity / positive regulation of dendrite morphogenesis / cellular response to cocaine / regulation of mitotic metaphase/anaphase transition / response to glucagon / cyclin-dependent protein serine/threonine kinase regulator activity / ubiquitin-ubiquitin ligase activity / mitotic sister chromatid cohesion / mitotic metaphase chromosome alignment / positive regulation of DNA biosynthetic process / cellular response to insulin-like growth factor stimulus / cochlea development / cyclin A2-CDK2 complex / G2 Phase / mitotic spindle assembly checkpoint signaling / p53-Dependent G1 DNA Damage Response / cellular response to platelet-derived growth factor stimulus / regulation of DNA replication / Regulation of APC/C activators between G1/S and early anaphase / cullin family protein binding / Telomere Extension By Telomerase / G0 and Early G1 / Transcriptional Regulation by VENTX / mitotic spindle assembly / cellular response to nitric oxide / ubiquitin-like ligase-substrate adaptor activity / animal organ regeneration / positive regulation of axon extension / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / protein K48-linked ubiquitination / heterochromatin / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Cyclin A/B1/B2 associated events during G2/M transition / cyclin-dependent protein kinase holoenzyme complex / Cyclin A:Cdk2-associated events at S phase entry / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / regulation of mitotic cell cycle / Resolution of Sister Chromatid Cohesion / APC/C:Cdc20 mediated degradation of Cyclin B / post-translational protein modification / APC-Cdc20 mediated degradation of Nek2A / nuclear periphery / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / cellular response to estradiol stimulus / SCF-beta-TrCP mediated degradation of Emi1 / RHO GTPases Activate Formins / Assembly of the pre-replicative complex / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / brain development / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / DNA Damage/Telomere Stress Induced Senescence / CDK-mediated phosphorylation and removal of Cdc6 / mitotic spindle / kinetochore / SCF(Skp2)-mediated degradation of p27/p21 / spindle pole / spindle / Orc1 removal from chromatin / ubiquitin-protein transferase activity / G1/S transition of mitotic cell cycle / Separation of Sister Chromatids / G2/M transition of mitotic cell cycle / microtubule cytoskeleton
Similarity search - Function
: / Anaphase-promoting complex subunit 15 / The WD repeat Cdc20/Fizzy family / Anaphase-promoting complex subunit 15 / Anaphase-promoting complex subunit 4, metazoa / Anaphase-promoting complex subunit 1, C-terminal / Anaphase-promoting complex subunit 1, middle domain / : / : / : ...: / Anaphase-promoting complex subunit 15 / The WD repeat Cdc20/Fizzy family / Anaphase-promoting complex subunit 15 / Anaphase-promoting complex subunit 4, metazoa / Anaphase-promoting complex subunit 1, C-terminal / Anaphase-promoting complex subunit 1, middle domain / : / : / : / Anaphase-promoting complex subunit 1 WD40 beta-propeller domain / Anaphase-promoting complex sub unit 1 C-terminal domain / Anaphase-promoting complex subunit 1 middle domain / APC1 beta sandwich domain / Anaphase-promoting complex subunit 5, N-terminal domain / Anaphase-promoting complex subunit 16 / Anaphase-promoting complex, subunit 16 / Cdc23 / Apc13 / Anaphase promoting complex subunit 8 / Cdc23 / Apc13p protein / Anaphase-promoting complex subunit 4 / Anaphase-promoting complex subunit 4 long domain / Anaphase-promoting complex subunit 1 / Anaphase-promoting complex subunit 5 domain / Anaphase-promoting complex subunit 5 / Anaphase-promoting complex subunit 5 / Anaphase-promoting complex, cyclosome, subunit 4 / Anaphase-promoting complex subunit APC10/Doc1 / Anaphase-promoting complex, subunit CDC26 / Anaphase-promoting complex APC subunit CDC26 / Anaphase-promoting complex subunit 11, RING-H2 finger / Anaphase-promoting complex subunit 11 RING-H2 finger / Anaphase-promoting complex subunit 2, C-terminal / Anaphase-promoting complex subunit 2 / Anaphase promoting complex (APC) subunit 2 / Anaphase promoting complex (APC) subunit 2 / APC10/DOC domain / Anaphase-promoting complex, subunit 10 (APC10) / DOC domain profile. / Anaphase-promoting complex, subunit 10 (APC10) / Anaphase-promoting complex, cyclosome, subunit 3 / TPR repeat / Cyclin-A, N-terminal APC/C binding region / Cyclin-A N-terminal APC/C binding region / : / Cyclin, C-terminal domain / : / Cyclins signature. / Cyclin / Tetratricopeptide repeat / Cyclin, C-terminal domain / Cyclin_C / : / Anaphase-promoting complex subunit 4, WD40 domain / Anaphase-promoting complex subunit 4 WD40 domain / Cullin / Cullin, N-terminal / Cullin homology domain / Cullin homology domain superfamily / Cullin family / Cullin family profile. / Tetratricopeptide repeat / Tetratricopeptide repeat / Tetratricopeptide repeat domain / Cyclin, N-terminal / Cyclin, N-terminal domain / Zinc/RING finger domain, C3HC4 (zinc finger) / Tetratricopeptide repeat / Herpes Virus-1 / Cyclin-like / domain present in cyclins, TFIIB and Retinoblastoma / Galactose-binding domain-like / Cyclin-like superfamily / TPR repeat region circular profile. / TPR repeat profile. / Tetratricopeptide repeats / Tetratricopeptide repeat / Galactose-binding-like domain superfamily / Zinc finger RING-type profile. / Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat / Zinc finger, RING-type / Armadillo-like helical / Alpha Horseshoe / Tetratricopeptide-like helical domain superfamily / Zinc finger, RING/FYVE/PHD-type / Winged helix DNA-binding domain superfamily / Trp-Asp (WD) repeats signature. / Jelly Rolls / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / Winged helix-like DNA-binding domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / Sandwich / 2-Layer Sandwich / Mainly Beta
Similarity search - Domain/homology
Cyclin-A2 / Cell division cycle protein 27 homolog / Anaphase-promoting complex subunit 15 / Cell division cycle protein 20 homolog / Cell division cycle protein 16 homolog / Anaphase-promoting complex subunit CDC26 / Anaphase-promoting complex subunit 16 / Anaphase-promoting complex subunit 13 / Anaphase-promoting complex subunit 1 / Anaphase-promoting complex subunit 11 ...Cyclin-A2 / Cell division cycle protein 27 homolog / Anaphase-promoting complex subunit 15 / Cell division cycle protein 20 homolog / Cell division cycle protein 16 homolog / Anaphase-promoting complex subunit CDC26 / Anaphase-promoting complex subunit 16 / Anaphase-promoting complex subunit 13 / Anaphase-promoting complex subunit 1 / Anaphase-promoting complex subunit 11 / Cell division cycle protein 23 homolog / Anaphase-promoting complex subunit 7 / Anaphase-promoting complex subunit 5 / Anaphase-promoting complex subunit 4 / Anaphase-promoting complex subunit 2 / Anaphase-promoting complex subunit 10
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsZhang, S. / Barford, D.
Funding support United Kingdom, 2items
OrganizationGrant numberCountry
Medical Research Council (United Kingdom)MC_UP_1021/6 United Kingdom
Cancer Research UKC576/A14109 United Kingdom
CitationJournal: Nat Commun / Year: 2019
Title: Cyclin A2 degradation during the spindle assembly checkpoint requires multiple binding modes to the APC/C.
Authors: Suyang Zhang / Thomas Tischer / David Barford /
Abstract: The anaphase-promoting complex/cyclosome (APC/C) orchestrates cell cycle progression by controlling the temporal degradation of specific cell cycle regulators. Although cyclin A2 and cyclin B1 are ...The anaphase-promoting complex/cyclosome (APC/C) orchestrates cell cycle progression by controlling the temporal degradation of specific cell cycle regulators. Although cyclin A2 and cyclin B1 are both targeted for degradation by the APC/C, during the spindle assembly checkpoint (SAC), the mitotic checkpoint complex (MCC) represses APC/C's activity towards cyclin B1, but not cyclin A2. Through structural, biochemical and in vivo analysis, we identify a non-canonical D box (D2) that is critical for cyclin A2 ubiquitination in vitro and degradation in vivo. During the SAC, cyclin A2 is ubiquitinated by the repressed APC/C-MCC, mediated by the cooperative engagement of its KEN and D2 boxes, ABBA motif, and the cofactor Cks. Once the SAC is satisfied, cyclin A2 binds APC/C-Cdc20 through two mutually exclusive binding modes, resulting in differential ubiquitination efficiency. Our findings reveal that a single substrate can engage an E3 ligase through multiple binding modes, affecting its degradation timing and efficiency.
History
DepositionDec 11, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 11, 2019Provider: repository / Type: Initial release
Revision 1.1May 15, 2024Group: Data collection / Database references / Category: chem_comp_atom / chem_comp_bond / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

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Assembly

Deposited unit
L: Anaphase-promoting complex subunit 10
D: Anaphase-promoting complex subunit 15
A: Apc1
N: Anaphase-promoting complex subunit 2
I: Anaphase-promoting complex subunit 4
O: Anaphase-promoting complex subunit 5
K: Cell division cycle protein 16 homolog
C: Anaphase-promoting complex subunit 11
G: Anaphase-promoting complex subunit CDC26
W: Anaphase-promoting complex subunit CDC26
M: Anaphase-promoting complex subunit 13
H: Anaphase-promoting complex subunit 16
J: Cell division cycle protein 27 homolog
P: Cell division cycle protein 27 homolog
Q: Cell division cycle protein 16 homolog
Y: Anaphase-promoting complex subunit 7
U: Cell division cycle protein 23 homolog
V: Cell division cycle protein 23 homolog
Z: Anaphase-promoting complex subunit 7
R: Cell division cycle protein 20 homolog
S: Cyclin-A2


Theoretical massNumber of molelcules
Total (without water)1,262,16221
Polymers1,262,16221
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area112190 Å2
ΔGint-554 kcal/mol
Surface area333360 Å2
MethodPISA

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Components

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Anaphase-promoting complex subunit ... , 10 types, 12 molecules LDNIOCGWMHYZ

#1: Protein Anaphase-promoting complex subunit 10 / APC10 / Cyclosome subunit 10


Mass: 21282.143 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC10, APC10 / Production host: unidentified baculovirus / References: UniProt: Q9UM13
#2: Protein Anaphase-promoting complex subunit 15 / APC15


Mass: 14286.727 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC15, C11orf51, HSPC020 / Production host: unidentified baculovirus / References: UniProt: P60006
#4: Protein Anaphase-promoting complex subunit 2 / APC2 / Cyclosome subunit 2


Mass: 93938.977 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC2, APC2, KIAA1406 / Production host: unidentified baculovirus / References: UniProt: Q9UJX6
#5: Protein Anaphase-promoting complex subunit 4 / APC4 / Cyclosome subunit 4


Mass: 92219.227 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC4, APC4 / Production host: unidentified baculovirus / References: UniProt: Q9UJX5
#6: Protein Anaphase-promoting complex subunit 5 / APC5 / Cyclosome subunit 5


Mass: 85179.766 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC5, APC5 / Production host: unidentified baculovirus / References: UniProt: Q9UJX4
#8: Protein Anaphase-promoting complex subunit 11 / APC11 / Cyclosome subunit 11 / Hepatocellular carcinoma-associated RING finger protein


Mass: 9854.647 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC11, HSPC214 / Production host: unidentified baculovirus / References: UniProt: Q9NYG5
#9: Protein Anaphase-promoting complex subunit CDC26 / Anaphase-promoting complex subunit 12 / APC12 / Cell division cycle protein 26 homolog


Mass: 9793.999 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC26, ANAPC12, C9orf17 / Production host: unidentified baculovirus / References: UniProt: Q8NHZ8
#10: Protein Anaphase-promoting complex subunit 13 / APC13 / Cyclosome subunit 13


Mass: 8528.309 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC13 / Production host: unidentified baculovirus / References: UniProt: Q9BS18
#11: Protein Anaphase-promoting complex subunit 16 / APC16 / Cyclosome subunit 16


Mass: 11677.995 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC16, C10orf104, CENP-27 / Production host: unidentified baculovirus / References: UniProt: Q96DE5
#13: Protein Anaphase-promoting complex subunit 7 / APC7 / Cyclosome subunit 7


Mass: 66929.367 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: ANAPC7, APC7 / Production host: unidentified baculovirus / References: UniProt: Q9UJX3

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Protein , 2 types, 2 molecules AS

#3: Protein Apc1


Mass: 207240.234 Da / Num. of mol.: 1 / Mutation: deletion of residues 307-395
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: unidentified baculovirus / References: UniProt: Q9H1A4*PLUS
#16: Protein Cyclin-A2 / Cyclin-A / Cyclin A


Mass: 44427.766 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CCNA2, CCN1, CCNA / Production host: Escherichia coli (E. coli) / References: UniProt: P20248

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Cell division cycle protein ... , 4 types, 7 molecules KQJPUVR

#7: Protein Cell division cycle protein 16 homolog / Anaphase-promoting complex subunit 6 / APC6 / CDC16 homolog / CDC16Hs / Cyclosome subunit 6


Mass: 71747.516 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC16, ANAPC6 / Production host: unidentified baculovirus / References: UniProt: Q13042
#12: Protein Cell division cycle protein 27 homolog / Anaphase-promoting complex subunit 3 / APC3 / CDC27 homolog / CDC27Hs / H-NUC


Mass: 91973.125 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC27, ANAPC3, D0S1430E, D17S978E / Production host: unidentified baculovirus / References: UniProt: P30260
#14: Protein Cell division cycle protein 23 homolog / Anaphase-promoting complex subunit 8 / APC8 / Cyclosome subunit 8


Mass: 68921.031 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC23, ANAPC8 / Production host: unidentified baculovirus / References: UniProt: Q9UJX2
#15: Protein Cell division cycle protein 20 homolog / p55CDC


Mass: 54796.508 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CDC20 / Production host: unidentified baculovirus / References: UniProt: Q12834

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D2 box classCOMPLEXall0MULTIPLE SOURCES
2Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D2 box classCOMPLEX#1-#151RECOMBINANT
3Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D2 box classCOMPLEX#161RECOMBINANT
Molecular weightValue: 1.3 MDa
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
22Homo sapiens (human)9606
33Homo sapiens (human)9606
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
22unidentified baculovirus10469
33Esacherichia coli562
Buffer solutionpH: 8 / Details: 20mM Hepes, 150mM NaCl, 0.5mM TCEP
SpecimenConc.: 0.15 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Image recordingElectron dose: 28 e/Å2 / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM softwareName: RELION / Version: 3 / Category: 3D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 117044 / Symmetry type: POINT

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