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Open data
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Basic information
| Entry | Database: PDB / ID: 7xz1 | ||||||
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| Title | TRIM E3 ubiquitin ligase | ||||||
Components | Tripartite motif-containing protein 72 | ||||||
Keywords | MEMBRANE PROTEIN / TRIM / Tripartite motif / Ubiquitin ligase / Coiled coil / B-box / PRY-SPRY / LIGASE / METAL BINDING PROTEIN / TRIM72 / MG53 | ||||||
| Function / homology | Function and homology informationmuscle system process / negative regulation of insulin-like growth factor receptor signaling pathway / negative regulation of myotube differentiation / plasma membrane repair / vesicle budding from membrane / ubiquitin conjugating enzyme binding / mitogen-activated protein kinase kinase kinase binding / muscle organ development / phosphatidylserine binding / exocytosis ...muscle system process / negative regulation of insulin-like growth factor receptor signaling pathway / negative regulation of myotube differentiation / plasma membrane repair / vesicle budding from membrane / ubiquitin conjugating enzyme binding / mitogen-activated protein kinase kinase kinase binding / muscle organ development / phosphatidylserine binding / exocytosis / negative regulation of insulin receptor signaling pathway / cytoplasmic vesicle membrane / sarcolemma / protein homooligomerization / RING-type E3 ubiquitin transferase / ubiquitin protein ligase activity / proteasome-mediated ubiquitin-dependent protein catabolic process / zinc ion binding / identical protein binding Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 5.2 Å | ||||||
Authors | Park, S.H. / Song, H.K. | ||||||
| Funding support | Korea, Republic Of, 1items
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Citation | Journal: Nat Struct Mol Biol / Year: 2023Title: Structure and activation of the RING E3 ubiquitin ligase TRIM72 on the membrane. Authors: Si Hoon Park / Juhyun Han / Byung-Cheon Jeong / Ju Han Song / Se Hwan Jang / Hyeongseop Jeong / Bong Heon Kim / Young-Gyu Ko / Zee-Yong Park / Kyung Eun Lee / Jaekyung Hyun / Hyun Kyu Song / ![]() Abstract: Defects in plasma membrane repair can lead to muscle and heart diseases in humans. Tripartite motif-containing protein (TRIM)72 (mitsugumin 53; MG53) has been determined to rapidly nucleate vesicles ...Defects in plasma membrane repair can lead to muscle and heart diseases in humans. Tripartite motif-containing protein (TRIM)72 (mitsugumin 53; MG53) has been determined to rapidly nucleate vesicles at the site of membrane damage, but the underlying molecular mechanisms remain poorly understood. Here we present the structure of Mus musculus TRIM72, a complete model of a TRIM E3 ubiquitin ligase. We demonstrated that the interaction between TRIM72 and phosphatidylserine-enriched membranes is necessary for its oligomeric assembly and ubiquitination activity. Using cryogenic electron tomography and subtomogram averaging, we elucidated a higher-order model of TRIM72 assembly on the phospholipid bilayer. Combining structural and biochemical techniques, we developed a working molecular model of TRIM72, providing insights into the regulation of RING-type E3 ligases through the cooperation of multiple domains in higher-order assemblies. Our findings establish a fundamental basis for the study of TRIM E3 ligases and have therapeutic implications for diseases associated with membrane repair. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 7xz1.cif.gz | 398.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7xz1.ent.gz | 275.9 KB | Display | PDB format |
| PDBx/mmJSON format | 7xz1.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 7xz1_validation.pdf.gz | 588.9 KB | Display | wwPDB validaton report |
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| Full document | 7xz1_full_validation.pdf.gz | 599.5 KB | Display | |
| Data in XML | 7xz1_validation.xml.gz | 28.7 KB | Display | |
| Data in CIF | 7xz1_validation.cif.gz | 38 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xz/7xz1 ftp://data.pdbj.org/pub/pdb/validation_reports/xz/7xz1 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7xv2SC ![]() 7xyyC ![]() 7xyzC ![]() 7xz0C ![]() 7xz2C S: Starting model for refinement C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: ens_1 / Beg auth comp-ID: HIS / Beg label comp-ID: HIS / End auth comp-ID: VAL / End label comp-ID: VAL / Auth seq-ID: 85 - 470 / Label seq-ID: 81 - 466
NCS oper: (Code: givenMatrix: (-0.924000307082, -0.203576474116, -0.323697469404), (-0.139832270652, -0.607996576656, 0.781528693561), (-0.355907809126, 0.767396104995, 0.533322462908)Vector: 83. ...NCS oper: (Code: given Matrix: (-0.924000307082, -0.203576474116, -0.323697469404), Vector: |
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Components
| #1: Protein | Mass: 51816.363 Da / Num. of mol.: 2 / Mutation: C55S, C144S, K279H, A283H Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() #2: Chemical | ChemComp-ZN / Has ligand of interest | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 5.33 Å3/Da / Density % sol: 76.93 % |
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| Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop Details: 100 mM Hepes-NaOH pH 7.5, 250 mM MgCl2, 37% (w/v) 5/4 PO/OH |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: PAL/PLS / Beamline: 5C (4A) / Wavelength: 1.00933 Å |
| Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Jul 26, 2013 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.00933 Å / Relative weight: 1 |
| Reflection | Resolution: 5.2→50 Å / Num. obs: 9007 / % possible obs: 99.9 % / Redundancy: 28.8 % / Biso Wilson estimate: 311.87 Å2 / CC1/2: 0.992 / Rmerge(I) obs: 0.135 / Net I/σ(I): 49.84 |
| Reflection shell | Resolution: 5.2→5.29 Å / Num. unique obs: 452 / CC1/2: 0.523 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 7XV2 Resolution: 5.2→38.86 Å / SU ML: 0.995 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 47.1228 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 443.99 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 5.2→38.86 Å
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| Refine LS restraints |
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| Refine LS restraints NCS | Type: Torsion NCS / Rms dev position: 4.53161190837 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| LS refinement shell |
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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| Refinement TLS group | Refine-ID: X-RAY DIFFRACTION
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X-RAY DIFFRACTION
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