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Open data
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Basic information
| Entry | Database: PDB / ID: 9px7 | |||||||||||||||||||||||||||
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| Title | ATTR cardiac amyloid fibrils apex2 | |||||||||||||||||||||||||||
Components | Transthyretin | |||||||||||||||||||||||||||
Keywords | PROTEIN FIBRIL / Transthyretin / amyloidosis | |||||||||||||||||||||||||||
| Function / homology | Function and homology informationDefective visual phototransduction due to STRA6 loss of function / negative regulation of glomerular filtration / The canonical retinoid cycle in rods (twilight vision) / purine nucleobase metabolic process / hormone binding / Non-integrin membrane-ECM interactions / phototransduction, visible light / molecular sequestering activity / retinoid metabolic process / Retinoid metabolism and transport ...Defective visual phototransduction due to STRA6 loss of function / negative regulation of glomerular filtration / The canonical retinoid cycle in rods (twilight vision) / purine nucleobase metabolic process / hormone binding / Non-integrin membrane-ECM interactions / phototransduction, visible light / molecular sequestering activity / retinoid metabolic process / Retinoid metabolism and transport / hormone activity / azurophil granule lumen / Amyloid fiber formation / Neutrophil degranulation / protein-containing complex binding / protein-containing complex / : / extracellular exosome / extracellular region / identical protein binding Similarity search - Function | |||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | |||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / helical reconstruction / cryo EM / Resolution: 3.4 Å | |||||||||||||||||||||||||||
Authors | Schaefer, J.H. / Lander, G.C. | |||||||||||||||||||||||||||
| Funding support | United States, Germany, 2items
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Citation | Journal: J Am Heart Assoc / Year: 2026Title: Three-Dimensional Visualization and Proteomic Analysis of Human Cardiac Transthyretin Amyloidosis Tissue Reveals Microangiopathy and Capillary Occlusion. Authors: Donnelly, J.P. / Schafer, J.H. / Yoon, L. / Massey, L.A. / Ash, C. / Gao, Z. / Nugroho, K. / Jager, M. / Pang, Z. / O'Neill, R.T. / Maurer, M.S. / Powers, E.T. / Lander, G.C. / Ye, L. / Kelly, J.W. | |||||||||||||||||||||||||||
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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 | 9px7.cif.gz | 208.5 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb9px7.ent.gz | 169.3 KB | Display | PDB format |
| PDBx/mmJSON format | 9px7.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/px/9px7 ftp://data.pdbj.org/pub/pdb/validation_reports/px/9px7 | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 71960 ![]() 9px6C ![]() 9px9C M: map data used to model this data 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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Components
| #1: Protein | Mass: 15904.984 Da / Num. of mol.: 6 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TTR, PALB / Production host: Homo sapiens (human) / References: UniProt: P02766Has protein modification | N | |
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-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: FILAMENT / 3D reconstruction method: helical reconstruction |
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Sample preparation
| Component | Name: Transthyretin amyloid fibril / Type: COMPLEX / Entity ID: all / Source: NATURAL |
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| Source (natural) | Organism: Homo sapiens (human) |
| Buffer solution | pH: 7.4 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Microscopy | Model: TFS GLACIOS |
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| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 800 nm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: TFS FALCON 4i (4k x 4k) |
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Processing
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| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| Helical symmerty | Angular rotation/subunit: -1.28 ° / Axial rise/subunit: 4.85 Å / Axial symmetry: C1 | ||||||||||||||||||||||||
| 3D reconstruction | Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 231893 / Symmetry type: HELICAL | ||||||||||||||||||||||||
| Refinement | Highest resolution: 3.4 Å Stereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) | ||||||||||||||||||||||||
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Movie
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About Yorodumi




Homo sapiens (human)
United States,
Germany, 2items
Citation


PDBj





FIELD EMISSION GUN