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Open data
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Basic information
Entry | Database: PDB / ID: 2g4g | ||||||
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Title | Crystal structure of human transthyretin at pH 4.6 | ||||||
![]() | Transthyretin | ||||||
![]() | TRANSPORT PROTEIN / TTR / amyloid fibrils formation / point mutations | ||||||
Function / homology | ![]() Retinoid cycle disease events / The canonical retinoid cycle in rods (twilight vision) / thyroid hormone binding / purine nucleobase metabolic process / Non-integrin membrane-ECM interactions / Retinoid metabolism and transport / hormone activity / azurophil granule lumen / Amyloid fiber formation / Neutrophil degranulation ...Retinoid cycle disease events / The canonical retinoid cycle in rods (twilight vision) / thyroid hormone binding / purine nucleobase metabolic process / Non-integrin membrane-ECM interactions / Retinoid metabolism and transport / hormone activity / azurophil granule lumen / Amyloid fiber formation / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / identical protein binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Pasquato, N. / Folli, C. / Berni, R. / Zanotti, G. | ||||||
![]() | ![]() Title: Acidic pH-induced conformational changes in amyloidogenic mutant transthyretin. Authors: Pasquato, N. / Berni, R. / Folli, C. / Alfieri, B. / Cendron, L. / Zanotti, G. #1: ![]() Title: A comparative analysis of 23 structures of the amyloidogenic protein transthyretin Authors: Hornberg, A. / Eneqvist, T. / Olofsson, A. / Lundgren, E. / Sauer-Eriksson, A.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 61.2 KB | Display | ![]() |
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PDB format | ![]() | 46.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 439.9 KB | Display | ![]() |
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Full document | ![]() | 444.2 KB | Display | |
Data in XML | ![]() | 13 KB | Display | |
Data in CIF | ![]() | 17.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2g3xC ![]() 2g3zC ![]() 2g4eC ![]() 2noyC ![]() 1f41S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Details | The biological assembly is a homo-tetramer, obtained by rotation of the asymmetric unit around the crystallographic two-fold axis (-x,-y,z) |
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Components
#1: Protein | Mass: 13777.360 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.11 Å3/Da / Density % sol: 41.83 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 4.6 Details: 15% PEG monomethyl ether, 0.1M ammonium sulphate, 50mM sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Dec 4, 2005 / Details: Mirrors |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.2 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→35.6 Å / Num. obs: 17809 / % possible obs: 87.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Rsym value: 0.048 / Net I/σ(I): 12.4 |
Reflection shell | Resolution: 1.85→1.95 Å / Redundancy: 4.8 % / Mean I/σ(I) obs: 2 / Rsym value: 0.363 / % possible all: 87.7 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1F41 Resolution: 1.85→35.6 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.93 / SU B: 2.934 / SU ML: 0.092 / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.198 / ESU R Free: 0.161 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 22.358 Å2
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Refinement step | Cycle: LAST / Resolution: 1.85→35.6 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.898 Å / Total num. of bins used: 20
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