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- PDB-7z8t: CAND1-SCF-SKP2 CAND1 engaged SCF rocked -

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Basic information

Entry
Database: PDB / ID: 7z8t
TitleCAND1-SCF-SKP2 CAND1 engaged SCF rocked
Components
  • (S-phase kinase-associated protein ...) x 2
  • Cullin-1
  • Cullin-associated NEDD8-dissociated protein 1
  • E3 ubiquitin-protein ligase RBX1, N-terminally processed
KeywordsLIGASE / cullin-RING E3 ubiquitin ligase / SCF / CAND1 / Assembly factor
Function / homology
Function and homology information


SCF complex assembly / positive regulation of protein polyubiquitination / Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / Aberrant regulation of mitotic exit in cancer due to RB1 defects / negative regulation of catalytic activity / PcG protein complex / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex ...SCF complex assembly / positive regulation of protein polyubiquitination / Parkin-FBXW7-Cul1 ubiquitin ligase complex / F-box domain binding / Aberrant regulation of mitotic exit in cancer due to RB1 defects / negative regulation of catalytic activity / PcG protein complex / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / cullin-RING ubiquitin ligase complex / cellular response to chemical stress / positive regulation of ubiquitin protein ligase activity / Cul7-RING ubiquitin ligase complex / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / maintenance of protein location in nucleus / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / positive regulation of protein autoubiquitination / protein neddylation / NEDD8 ligase activity / Cul5-RING ubiquitin ligase complex / negative regulation of response to oxidative stress / positive regulation of intracellular estrogen receptor signaling pathway / ubiquitin-ubiquitin ligase activity / SCF ubiquitin ligase complex / Cul2-RING ubiquitin ligase complex / Cul4A-RING E3 ubiquitin ligase complex / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / Cul4B-RING E3 ubiquitin ligase complex / negative regulation of type I interferon production / ubiquitin ligase complex scaffold activity / Cul3-RING ubiquitin ligase complex / Prolactin receptor signaling / protein monoubiquitination / cullin family protein binding / protein K63-linked ubiquitination / positive regulation of double-strand break repair via homologous recombination / positive regulation of RNA polymerase II transcription preinitiation complex assembly / ubiquitin-like ligase-substrate adaptor activity / protein K48-linked ubiquitination / Nuclear events stimulated by ALK signaling in cancer / ubiquitin ligase complex / TBP-class protein binding / positive regulation of TORC1 signaling / post-translational protein modification / intrinsic apoptotic signaling pathway / regulation of cellular response to insulin stimulus / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / T cell activation / molecular function activator activity / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Vpu mediated degradation of CD4 / animal organ morphogenesis / Degradation of DVL / cellular response to amino acid stimulus / Dectin-1 mediated noncanonical NF-kB signaling / Iron uptake and transport / Recognition of DNA damage by PCNA-containing replication complex / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Negative regulation of NOTCH4 signaling / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Vif-mediated degradation of APOBEC3G / Hedgehog 'on' state / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / DNA Damage Recognition in GG-NER / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / RING-type E3 ubiquitin transferase / negative regulation of canonical Wnt signaling pathway / Degradation of beta-catenin by the destruction complex / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / Transcription-Coupled Nucleotide Excision Repair (TC-NER) / Formation of TC-NER Pre-Incision Complex / Dual Incision in GG-NER / Evasion by RSV of host interferon responses / NOTCH1 Intracellular Domain Regulates Transcription / CLEC7A (Dectin-1) signaling / SCF(Skp2)-mediated degradation of p27/p21 / beta-catenin binding / Constitutive Signaling by NOTCH1 PEST Domain Mutants / Constitutive Signaling by NOTCH1 HD+PEST Domain Mutants / Regulation of expression of SLITs and ROBOs / Formation of Incision Complex in GG-NER / FCERI mediated NF-kB activation / Interleukin-1 signaling / Dual incision in TC-NER / Gap-filling DNA repair synthesis and ligation in TC-NER / Orc1 removal from chromatin / protein polyubiquitination / Regulation of RAS by GAPs / G1/S transition of mitotic cell cycle / positive regulation of protein catabolic process / Regulation of RUNX2 expression and activity / cellular response to UV / Cyclin D associated events in G1 / G2/M transition of mitotic cell cycle / Regulation of PLK1 Activity at G2/M Transition
Similarity search - Function
TATA-binding protein interacting (TIP20) / Cullin-associated NEDD8-dissociated protein 1/2 / TATA-binding protein interacting (TIP20) / Leucine-rich repeat, cysteine-containing subtype / Leucine-rich repeat - CC (cysteine-containing) subfamily / A Receptor for Ubiquitination Targets / F-box domain profile. / F-box-like domain superfamily / SKP1 component, dimerisation / S-phase kinase-associated protein 1 ...TATA-binding protein interacting (TIP20) / Cullin-associated NEDD8-dissociated protein 1/2 / TATA-binding protein interacting (TIP20) / Leucine-rich repeat, cysteine-containing subtype / Leucine-rich repeat - CC (cysteine-containing) subfamily / A Receptor for Ubiquitination Targets / F-box domain profile. / F-box-like domain superfamily / SKP1 component, dimerisation / S-phase kinase-associated protein 1 / SKP1-like, dimerisation domain superfamily / Skp1 family, dimerisation domain / F-box-like / HEAT-like repeat / F-box domain / Zinc finger, RING-H2-type / RING-H2 zinc finger domain / Cullin protein neddylation domain / : / Cullin, conserved site / Cullin family signature. / Cullin repeat-like-containing domain superfamily / Cullin protein, neddylation domain / Cullin / Cullin protein neddylation domain / Cullin / Cullin, N-terminal / Cullin homology domain / Cullin homology domain superfamily / Cullin family / Cullin family profile. / S-phase kinase-associated protein 1-like / SKP1 component, POZ domain / Skp1 family, tetramerisation domain / Found in Skp1 protein family / SKP1/BTB/POZ domain superfamily / Leucine-rich repeat domain superfamily / Zinc finger RING-type profile. / Zinc finger, RING-type / Armadillo-like helical / Armadillo-type fold / Zinc finger, RING/FYVE/PHD-type / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
E3 ubiquitin-protein ligase RBX1 / S-phase kinase-associated protein 1 / S-phase kinase-associated protein 2 / Cullin-1 / Cullin-associated NEDD8-dissociated protein 1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsBaek, K. / Schulman, B.A.
Funding support Germany, European Union, 2items
OrganizationGrant numberCountry
Max Planck Society Germany
European Research Council (ERC)789016European Union
CitationJournal: Cell / Year: 2023
Title: Systemwide disassembly and assembly of SCF ubiquitin ligase complexes.
Authors: Kheewoong Baek / Daniel C Scott / Lukas T Henneberg / Moeko T King / Matthias Mann / Brenda A Schulman /
Abstract: Cells respond to environmental cues by remodeling their inventories of multiprotein complexes. Cellular repertoires of SCF (SKP1-CUL1-F box protein) ubiquitin ligase complexes, which mediate much ...Cells respond to environmental cues by remodeling their inventories of multiprotein complexes. Cellular repertoires of SCF (SKP1-CUL1-F box protein) ubiquitin ligase complexes, which mediate much protein degradation, require CAND1 to distribute the limiting CUL1 subunit across the family of ∼70 different F box proteins. Yet, how a single factor coordinately assembles numerous distinct multiprotein complexes remains unknown. We obtained cryo-EM structures of CAND1-bound SCF complexes in multiple states and correlated mutational effects on structures, biochemistry, and cellular assays. The data suggest that CAND1 clasps idling catalytic domains of an inactive SCF, rolls around, and allosterically rocks and destabilizes the SCF. New SCF production proceeds in reverse, through SKP1-F box allosterically destabilizing CAND1. The CAND1-SCF conformational ensemble recycles CUL1 from inactive complexes, fueling mixing and matching of SCF parts for E3 activation in response to substrate availability. Our data reveal biogenesis of a predominant family of E3 ligases, and the molecular basis for systemwide multiprotein complex assembly.
History
DepositionMar 18, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Apr 19, 2023Provider: repository / Type: Initial release
Revision 1.1May 10, 2023Group: Database references / Category: citation / Item: _citation.journal_volume / _citation.page_first
Revision 1.2Jul 24, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond / em_admin / Item: _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
C: Cullin-1
D: Cullin-associated NEDD8-dissociated protein 1
R: E3 ubiquitin-protein ligase RBX1, N-terminally processed
F: S-phase kinase-associated protein 2
S: S-phase kinase-associated protein 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)306,1148
Polymers305,9185
Non-polymers1963
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 3 types, 3 molecules CDR

#1: Protein Cullin-1 / CUL-1


Mass: 89800.367 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CUL1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: Q13616
#2: Protein Cullin-associated NEDD8-dissociated protein 1 / Cullin-associated and neddylation-dissociated protein 1 / TBP-interacting protein of 120 kDa A / ...Cullin-associated and neddylation-dissociated protein 1 / TBP-interacting protein of 120 kDa A / TBP-interacting protein 120A / p120 CAND1


Mass: 137386.281 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CAND1, KIAA0829, TIP120, TIP120A / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q86VP6
#3: Protein E3 ubiquitin-protein ligase RBX1, N-terminally processed / E3 ubiquitin-protein transferase RBX1 / N-terminally processed


Mass: 12089.677 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: RBX1, RNF75, ROC1 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P62877

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S-phase kinase-associated protein ... , 2 types, 2 molecules FS

#4: Protein S-phase kinase-associated protein 2 / Cyclin-A/CDK2-associated protein p45 / F-box protein Skp2 / F-box/LRR-repeat protein 1 / p45skp2


Mass: 47961.910 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: SKP2 N-terminal region not visible in EM density. The LRR region of SKP2 was wholesale docked from previous structure with all sidechains removed.
Source: (gene. exp.) Homo sapiens (human) / Gene: SKP2, FBXL1 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q13309
#5: Protein S-phase kinase-associated protein 1 / Cyclin-A/CDK2-associated protein p19 / p19A / Organ of Corti protein 2 / OCP-2 / Organ of Corti ...Cyclin-A/CDK2-associated protein p19 / p19A / Organ of Corti protein 2 / OCP-2 / Organ of Corti protein II / OCP-II / RNA polymerase II elongation factor-like protein / SIII / Transcription elongation factor B polypeptide 1-like / p19skp1


Mass: 18679.965 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SKP1, EMC19, OCP2, SKP1A, TCEB1L / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P63208

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Non-polymers , 1 types, 3 molecules

#6: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION

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Details

Has ligand of interestY

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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

ComponentName: CAND1-SCF-SKP2 CAND1 engaged SCF rocked / Type: COMPLEX / Entity ID: #1-#5 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
Buffer solutionpH: 7.5
SpecimenConc.: 2 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 / Nominal defocus max: 2000 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.19.2_4158: / Classification: refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 215132 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00218360
ELECTRON MICROSCOPYf_angle_d0.47924907
ELECTRON MICROSCOPYf_dihedral_angle_d3.3872539
ELECTRON MICROSCOPYf_chiral_restr0.0382983
ELECTRON MICROSCOPYf_plane_restr0.0043171

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