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Yorodumi- PDB-7b5n: Ubiquitin ligation to F-box protein substrates by SCF-RBR E3-E3 s... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 7b5n | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Title | Ubiquitin ligation to F-box protein substrates by SCF-RBR E3-E3 super-assembly: NEDD8-CUL1-RBX1-UBE2L3~Ub~ARIH1. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 / ubiquitin-like protein transferase activity / cell cycle phase transition / RBR-type E3 ubiquitin transferase / Parkin-FBXW7-Cul1 ubiquitin ligase complex / ubiquitin-protein transferase activator activity / cellular response to camptothecin / negative regulation of beige fat cell differentiation / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity ...PKR/eIFalpha signaling / ubiquitin-like protein transferase activity / cell cycle phase transition / RBR-type E3 ubiquitin transferase / Parkin-FBXW7-Cul1 ubiquitin ligase complex / ubiquitin-protein transferase activator activity / cellular response to camptothecin / negative regulation of beige fat cell differentiation / cullin-RING-type E3 NEDD8 transferase / NEDD8 transferase activity / negative regulation of mitophagy / cullin-RING ubiquitin ligase complex / regulation of xenophagy / Loss of Function of FBXW7 in Cancer and NOTCH1 Signaling / cellular response to chemical stress / Cul7-RING ubiquitin ligase complex / protein K11-linked ubiquitination / 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 / ubiquitin conjugating enzyme binding / regulation of BMP signaling pathway / NEDD8 ligase activity / regulation of mitophagy / cellular response to glucocorticoid stimulus / : / negative regulation of response to oxidative stress / regulation of centrosome duplication / protein K27-linked ubiquitination / VCB complex / Cul5-RING ubiquitin ligase complex / cellular response to steroid hormone stimulus / E2 ubiquitin-conjugating enzyme / 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 / regulation of mitotic cytokinesis / Cul3-RING ubiquitin ligase complex / regulation of DNA damage checkpoint / negative regulation of type I interferon production / regulation of miRNA-mediated gene silencing / regulation of natural killer cell activation / SCF-dependent proteasomal ubiquitin-dependent protein catabolic process / RSV-host interactions / Prolactin receptor signaling / 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 / TGF-beta receptor signaling activates SMADs / ubiquitin ligase complex scaffold activity / ubiquitin conjugating enzyme activity / negative regulation of adipose tissue development / regulation of proteolysis / regulation of cellular response to stress / limb development / regulation of postsynapse assembly / protein monoubiquitination / anatomical structure morphogenesis / cullin family protein binding / Cajal body / ubiquitin ligase complex / centrosome duplication / regulation of DNA-templated DNA replication initiation / cilium assembly / intrinsic apoptotic signaling pathway / 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 / protein K48-linked ubiquitination / regulation of cellular response to insulin stimulus / positive regulation of TORC1 signaling / Maturation of protein E / Maturation of protein E / transcription-coupled nucleotide-excision repair / post-translational protein modification / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Prevention of phagosomal-lysosomal fusion / cellular response to amino acid stimulus / Endosomal Sorting Complex Required For Transport (ESCRT) / regulation of embryonic development / Membrane binding and targetting of GAG proteins / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Negative regulation of FLT3 Similarity search - Function | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.6 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 | 7b5n.cif.gz | 243.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7b5n.ent.gz | 186.6 KB | Display | PDB format |
| PDBx/mmJSON format | 7b5n.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b5/7b5n ftp://data.pdbj.org/pub/pdb/validation_reports/b5/7b5n | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 12041MC ![]() 7b5lC ![]() 7b5mC ![]() 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 , 4 types, 4 molecules CUND
| #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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| #3: 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: ![]() |
| #4: Protein | Mass: 9086.562 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: NEDD8 / Production host: ![]() |
| #6: Protein | Mass: 17825.459 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: UBE2L3, UBCE7, UBCH7 / Production host: ![]() References: UniProt: P68036, E2 ubiquitin-conjugating enzyme |
-E3 ubiquitin-protein ligase ... , 2 types, 2 molecules HR
| #2: Protein | Mass: 64197.777 Da / Num. of mol.: 1 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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| #5: 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 |
-Non-polymers , 2 types, 10 molecules 


| #7: Chemical | ChemComp-ZN / #8: Chemical | ChemComp-SY8 / | |
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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: 0.30 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: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 623409 / Symmetry type: POINT | ||||||||||||||||||||||||
| Refine LS restraints |
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About Yorodumi



Homo sapiens (human)
Germany, 2items
Citation

UCSF Chimera






















PDBj


















Trichoplusia ni (cabbage looper)

