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Yorodumi- PDB-7b5m: Ubiquitin ligation to F-box protein substrates by SCF-RBR E3-E3 s... -
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Basic information
| Entry | Database: PDB / ID: 7b5m | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Title | Ubiquitin ligation to F-box protein substrates by SCF-RBR E3-E3 super-assembly: CUL1-RBX1-SKP1-SKP2-CKSHS1-p27~Ub~ARIH1. Transition State 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Keywords | LIGASE / ubiquitin / ubiquitin ligase / E3 ligase / F-box protein / RBR ligase / Cullin-RING-Ligase / CRL / SCF / NEDD8 / Post-translational modification / ubiquitylation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationPKR/eIFalpha signaling / cyclin-dependent protein kinase regulator activity / negative regulation of cardiac muscle tissue regeneration / ubiquitin-like protein transferase activity / autophagic cell death / FOXO-mediated transcription of cell cycle genes / RBR-type E3 ubiquitin transferase / Parkin-FBXW7-Cul1 ubiquitin ligase complex / regulation of cell cycle G1/S phase transition / synaptic assembly at neuromuscular junction ...PKR/eIFalpha signaling / cyclin-dependent protein kinase regulator activity / negative regulation of cardiac muscle tissue regeneration / ubiquitin-like protein transferase activity / autophagic cell death / FOXO-mediated transcription of cell cycle genes / RBR-type E3 ubiquitin transferase / Parkin-FBXW7-Cul1 ubiquitin ligase complex / regulation of cell cycle G1/S phase transition / synaptic assembly at neuromuscular junction / F-box domain binding / cellular response to lithium ion / Aberrant regulation of mitotic exit in cancer due to RB1 defects / negative regulation of mitotic cell cycle / cyclin-dependent protein serine/threonine kinase inhibitor activity / negative regulation of beige fat cell differentiation / PcG protein complex / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / negative regulation of mitophagy / cullin-RING ubiquitin ligase complex / regulation of xenophagy / maintenance of protein location in nucleus / regulation of cyclin-dependent protein serine/threonine kinase activity / RHO GTPases activate CIT / nuclear export / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / cyclin-dependent protein serine/threonine kinase activator activity / regulation of cell cycle process / neural crest cell differentiation / Modulation of host responses by IFN-stimulated genes / RNA polymerase II transcription initiation surveillance / positive regulation of protein autoubiquitination / protein neddylation / AKT phosphorylates targets in the cytosol / ubiquitin conjugating enzyme binding / ubiquitin ligase activator activity / regulation of BMP signaling pathway / NEDD8 ligase activity / regulation of mitophagy / molecular function inhibitor activity / negative regulation of response to oxidative stress / regulation of centrosome duplication / protein K27-linked ubiquitination / VCB complex / Cul5-RING ubiquitin ligase complex / regulation of TOR signaling / ubiquitin-ubiquitin ligase activity / ubiquitin-dependent protein catabolic process via the C-end degron rule pathway / Cul2-RING ubiquitin ligase complex / SCF ubiquitin ligase complex / negative regulation of DNA-templated DNA replication / p53-Dependent G1 DNA Damage Response / regulation of mitotic cytokinesis / Cul3-RING ubiquitin ligase complex / regulation of DNA damage checkpoint / PTK6 Regulates Cell Cycle / negative regulation of type I interferon production / regulation of miRNA-mediated gene silencing / regulation of natural killer cell activation / Constitutive Signaling by AKT1 E17K in Cancer / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / RSV-host interactions / Prolactin receptor signaling / Defective binding of RB1 mutants to E2F1,(E2F2, E2F3) / regulation of cell cycle phase transition / Cul4A-RING E3 ubiquitin ligase complex / Cul4-RING E3 ubiquitin ligase complex / regulation of stem cell population maintenance / Lewy body / Cul4B-RING E3 ubiquitin ligase complex / protein kinase inhibitor activity / ubiquitin ligase complex scaffold activity / negative regulation of adipose tissue development / negative regulation of vascular associated smooth muscle cell proliferation / regulation of cellular response to stress / limb development / Estrogen-dependent nuclear events downstream of ESR-membrane signaling / cyclin-dependent protein kinase holoenzyme complex / protein monoubiquitination / cullin family protein binding / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / Cajal body / ubiquitin ligase complex / Cyclin E associated events during G1/S transition / centrosome duplication / regulation of DNA-templated DNA replication initiation / Cyclin A:Cdk2-associated events at S phase entry / protein K63-linked ubiquitination / cilium assembly / positive regulation of double-strand break repair via homologous recombination / ubiquitin-like ligase-substrate adaptor activity / intrinsic apoptotic signaling pathway / regulation of G1/S transition of mitotic cell cycle / ribosome-associated ubiquitin-dependent protein catabolic process / signal transduction in response to DNA damage / negative regulation of insulin receptor signaling pathway / Nuclear events stimulated by ALK signaling in cancer Similarity search - Function | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.91 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Authors | Horn-Ghetko, D. / Prabu, J.R. / Schulman, B.A. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Funding support | Germany, 2items
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Citation | Journal: Nature / Year: 2021Title: Ubiquitin ligation to F-box protein targets by SCF-RBR E3-E3 super-assembly. Authors: Daniel Horn-Ghetko / David T Krist / J Rajan Prabu / Kheewoong Baek / Monique P C Mulder / Maren Klügel / Daniel C Scott / Huib Ovaa / Gary Kleiger / Brenda A Schulman / ![]() Abstract: E3 ligases are typically classified by hallmark domains such as RING and RBR, which are thought to specify unique catalytic mechanisms of ubiquitin transfer to recruited substrates. However, rather ...E3 ligases are typically classified by hallmark domains such as RING and RBR, which are thought to specify unique catalytic mechanisms of ubiquitin transfer to recruited substrates. However, rather than functioning individually, many neddylated cullin-RING E3 ligases (CRLs) and RBR-type E3 ligases in the ARIH family-which together account for nearly half of all ubiquitin ligases in humans-form E3-E3 super-assemblies. Here, by studying CRLs in the SKP1-CUL1-F-box (SCF) family, we show how neddylated SCF ligases and ARIH1 (an RBR-type E3 ligase) co-evolved to ubiquitylate diverse substrates presented on various F-box proteins. We developed activity-based chemical probes that enabled cryo-electron microscopy visualization of steps in E3-E3 ubiquitylation, initiating with ubiquitin linked to the E2 enzyme UBE2L3, then transferred to the catalytic cysteine of ARIH1, and culminating in ubiquitin linkage to a substrate bound to the SCF E3 ligase. The E3-E3 mechanism places the ubiquitin-linked active site of ARIH1 adjacent to substrates bound to F-box proteins (for example, substrates with folded structures or limited length) that are incompatible with previously described conventional RING E3-only mechanisms. The versatile E3-E3 super-assembly may therefore underlie widespread ubiquitylation. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Structure visualization
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| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 7b5m.cif.gz | 308.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7b5m.ent.gz | 234.8 KB | Display | PDB format |
| PDBx/mmJSON format | 7b5m.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b5/7b5m ftp://data.pdbj.org/pub/pdb/validation_reports/b5/7b5m | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 12040MC ![]() 7b5lC ![]() 7b5nC ![]() 7b5rC ![]() 7b5sC C: citing same article ( M: map data used to model this data |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Protein , 2 types, 2 molecules CU
| #1: Protein | 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 |
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| #6: Protein | Mass: 8519.778 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: UBC / Production host: ![]() |
-E3 ubiquitin-protein ligase ... , 2 types, 2 molecules HR
| #2: Protein | Mass: 64005.605 Da / Num. of mol.: 1 / Mutation: F430A, E431A, E503A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: ARIH1, ARI, MOP6, UBCH7BP, HUSSY-27 / Production host: ![]() References: UniProt: Q9Y4X5, RBR-type E3 ubiquitin transferase |
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| #7: Protein | Mass: 12289.977 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, RING-type E3 ubiquitin transferase, cullin-RING-type E3 NEDD8 transferase |
-S-phase kinase-associated protein ... , 2 types, 2 molecules TS
| #3: Protein | Mass: 47817.785 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SKP2, FBXL1 / Production host: ![]() |
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| #5: Protein | 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: ![]() |
-Cyclin-dependent ... , 2 types, 2 molecules KP
| #4: Protein | Mass: 9679.211 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CKS1B, CKS1, PNAS-143, PNAS-16 / Production host: ![]() |
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| #8: Protein | Mass: 22185.262 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CDKN1B, KIP1 / Production host: synthetic construct (others) / References: UniProt: P46527 |
-Non-polymers , 1 types, 5 molecules 
| #9: Chemical | ChemComp-ZN / |
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-Details
| Has ligand of interest | N |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
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| Molecular weight | Value: 0.25 MDa | ||||||||||||||||||||||||||||||
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| Buffer solution | pH: 7.8 | ||||||||||||||||||||||||||||||
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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| Microscopy | Model: FEI TITAN KRIOS |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD |
| Image recording | Electron dose: 70 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
| Software | Name: PHENIX / Version: 1.18.2_3874: / Classification: refinement | ||||||||||||||||||||||||
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| EM software | Name: PHENIX / Category: model refinement | ||||||||||||||||||||||||
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3.91 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 759489 / Symmetry type: POINT | ||||||||||||||||||||||||
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About Yorodumi



Homo sapiens (human)
Germany, 2items
Citation

UCSF Chimera



















PDBj





























Trichoplusia ni (cabbage looper)

