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- PDB-8u14: Cryo-EM structure of the human nucleosome core particle ubiquityl... -
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Basic information
Entry | Database: PDB / ID: 8u14 | |||||||||
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Title | Cryo-EM structure of the human nucleosome core particle ubiquitylated at histone H2A lysine 15 in complex with RNF168-UbcH5c (class 2) | |||||||||
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![]() | STRUCTURAL PROTEIN/DNA/TRANSFERASE / Nucleosome core particle / chromatin / RNF168 / UbcH5c / DNA repair / DNA double-strand break / Homologous recombination / BRCA1-BARD1 / 53BP1 / ubiquitin / STRUCTURAL PROTEIN-DNA-TRANSFERASE complex | |||||||||
Function / homology | ![]() histone H2AK15 ubiquitin ligase activity / histone ubiquitin ligase activity / Signaling by BMP / (E3-independent) E2 ubiquitin-conjugating enzyme / protein K6-linked ubiquitination / double-strand break repair via classical nonhomologous end joining / isotype switching / protein K11-linked ubiquitination / positive regulation of protein targeting to mitochondrion / K63-linked polyubiquitin modification-dependent protein binding ...histone H2AK15 ubiquitin ligase activity / histone ubiquitin ligase activity / Signaling by BMP / (E3-independent) E2 ubiquitin-conjugating enzyme / protein K6-linked ubiquitination / double-strand break repair via classical nonhomologous end joining / isotype switching / protein K11-linked ubiquitination / positive regulation of protein targeting to mitochondrion / K63-linked polyubiquitin modification-dependent protein binding / E2 ubiquitin-conjugating enzyme / response to ionizing radiation / DNA repair-dependent chromatin remodeling / ubiquitin conjugating enzyme activity / negative regulation of transcription elongation by RNA polymerase II / protein K63-linked ubiquitination / negative regulation of BMP signaling pathway / negative regulation of tumor necrosis factor-mediated signaling pathway / protein monoubiquitination / ubiquitin ligase complex / interstrand cross-link repair / negative regulation of megakaryocyte differentiation / SUMOylation of DNA damage response and repair proteins / protein K48-linked ubiquitination / protein localization to CENP-A containing chromatin / nucleosome binding / Chromatin modifying enzymes / protein autoubiquitination / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / telomere organization / Interleukin-7 signaling / Inhibition of DNA recombination at telomere / RNA Polymerase I Promoter Opening / Meiotic synapsis / Assembly of the ORC complex at the origin of replication / positive regulation of DNA repair / SUMOylation of chromatin organization proteins / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / TICAM1, RIP1-mediated IKK complex recruitment / DNA methylation / epigenetic regulation of gene expression / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / IKK complex recruitment mediated by RIP1 / SIRT1 negatively regulates rRNA expression / HCMV Late Events / ubiquitin binding / PINK1-PRKN Mediated Mitophagy / innate immune response in mucosa / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / Negative regulators of DDX58/IFIH1 signaling / HDACs deacetylate histones / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / Peroxisomal protein import / lipopolysaccharide binding / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / Downregulation of SMAD2/3:SMAD4 transcriptional activity / Regulation of TNFR1 signaling / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / HDMs demethylate histones / G2/M DNA damage checkpoint / Inactivation of CSF3 (G-CSF) signaling / NoRC negatively regulates rRNA expression / RING-type E3 ubiquitin transferase / Oxygen-dependent proline hydroxylation of Hypoxia-inducible Factor Alpha / DNA Damage/Telomere Stress Induced Senescence / B-WICH complex positively regulates rRNA expression / PKMTs methylate histone lysines / double-strand break repair via nonhomologous end joining / protein modification process / Meiotic recombination / Pre-NOTCH Transcription and Translation / Metalloprotease DUBs / RMTs methylate histone arginines / Activation of anterior HOX genes in hindbrain development during early embryogenesis / Transcriptional regulation of granulopoiesis / protein polyubiquitination / HCMV Early Events / ubiquitin-protein transferase activity / antimicrobial humoral immune response mediated by antimicrobial peptide / structural constituent of chromatin / ubiquitin protein ligase activity / UCH proteinases / antibacterial humoral response / Antigen processing: Ubiquitination & Proteasome degradation / nucleosome Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.9 Å | |||||||||
![]() | Hu, Q. / Botuyan, M.V. / Zhao, D. / Cui, G. / Mer, G. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Mechanisms of RNF168 nucleosome recognition and ubiquitylation. Authors: Qi Hu / Debiao Zhao / Gaofeng Cui / Janarjan Bhandari / James R Thompson / Maria Victoria Botuyan / Georges Mer / ![]() Abstract: RNF168 plays a central role in the DNA damage response (DDR) by ubiquitylating histone H2A at K13 and K15. These modifications direct BRCA1-BARD1 and 53BP1 foci formation in chromatin, essential for ...RNF168 plays a central role in the DNA damage response (DDR) by ubiquitylating histone H2A at K13 and K15. These modifications direct BRCA1-BARD1 and 53BP1 foci formation in chromatin, essential for cell-cycle-dependent DNA double-strand break (DSB) repair pathway selection. The mechanism by which RNF168 catalyzes the targeted accumulation of H2A ubiquitin conjugates to form repair foci around DSBs remains unclear. Here, using cryoelectron microscopy (cryo-EM), nuclear magnetic resonance (NMR) spectroscopy, and functional assays, we provide a molecular description of the reaction cycle and dynamics of RNF168 as it modifies the nucleosome and recognizes its ubiquitylation products. We demonstrate an interaction of a canonical ubiquitin-binding domain within full-length RNF168, which not only engages ubiquitin but also the nucleosome surface, clarifying how such site-specific ubiquitin recognition propels a signal amplification loop. Beyond offering mechanistic insights into a key DDR protein, our study aids in understanding site specificity in both generating and interpreting chromatin ubiquitylation. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 376.9 KB | Display | ![]() |
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PDB format | ![]() | 283.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 44.2 KB | Display | |
Data in CIF | ![]() | 68.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 41801MC ![]() 8smwC ![]() 8smxC ![]() 8smyC ![]() 8smzC ![]() 8sn0C ![]() 8sn1C ![]() 8sn2C ![]() 8sn3C ![]() 8sn4C ![]() 8sn5C ![]() 8sn6C ![]() 8sn7C ![]() 8sn8C ![]() 8sn9C ![]() 8snaC ![]() 8txvC ![]() 8txwC ![]() 8txxC ![]() 8u13C ![]() 8upfC ![]() 8uq8C ![]() 8uq9C ![]() 8uqaC ![]() 8uqbC ![]() 8uqcC ![]() 8uqdC ![]() 8uqeC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Protein , 6 types, 10 molecules AEBFDHKLCG
#1: Protein | Mass: 15786.534 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, ...Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, HIST1H3I, H3C12, H3FJ, HIST1H3J Production host: ![]() ![]() #2: Protein | Mass: 11743.792 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, ...Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, HIST1H4H, H4C9, H4/M, H4FM, HIST1H4I, H4C11, H4/E, H4FE, HIST1H4J, H4C12, H4/D, H4FD, HIST1H4K, H4C13, H4/K, H4FK, HIST1H4L, H4C14, H4/N, H4F2, H4FN, HIST2H4, HIST2H4A, H4C15, H4/O, H4FO, HIST2H4B, H4-16, HIST4H4 Plasmid: pHISPP / Production host: ![]() ![]() #3: Protein | Mass: 14084.348 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #6: Protein | | Mass: 11175.100 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: Q8IYW5, RING-type E3 ubiquitin transferase #7: Protein | | Mass: 16719.066 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: P61077, E2 ubiquitin-conjugating enzyme, (E3-independent) E2 ubiquitin-conjugating enzyme #8: Protein | Mass: 12992.091 Da / Num. of mol.: 2 / Mutation: K13S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-DNA chain , 2 types, 2 molecules IJ
#4: DNA chain | Mass: 45138.770 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#5: DNA chain | Mass: 45610.043 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
-Non-polymers , 1 types, 2 molecules 
#9: Chemical |
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-Details
Has ligand of interest | Y |
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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
Component | Name: Human nucleosome core particle ubiquitylated at histone H2A lysine 15 in complex with RNF168-UbcH5c (class 2) Type: COMPLEX / Entity ID: #1-#8 / Source: RECOMBINANT |
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Molecular weight | Value: 0.255 MDa / Experimental value: NO |
Source (natural) | Organism: ![]() |
Source (recombinant) | Organism: ![]() ![]() |
Buffer solution | pH: 7.5 |
Specimen | Conc.: 0.4 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: 10 mM HEPES, 100 mM NaCl, 1 mM DTT, pH 7.5 |
Specimen support | Grid material: COPPER / Grid type: Quantifoil R1.2/1.3 |
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K |
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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: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 22500 X / Nominal defocus max: 3500 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 1 / Num. of real images: 5697 Details: 5697 images were recorded in movie mode. 5503 were retained for particle picking. |
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Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 9989935 | ||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 27986 / Algorithm: FOURIER SPACE / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||
Atomic model building | Protocol: RIGID BODY FIT / Space: REAL | ||||||||||||||||||||||||||||||||||||||||
Atomic model building | 3D fitting-ID: 1 / Type: experimental model
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Refine LS restraints |
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