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Open data
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Basic information
Entry | Database: PDB / ID: 3aok | ||||||
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Title | Crystal structure of sweet-tasting protein thaumatin II | ||||||
![]() | Thaumatin-2 | ||||||
![]() | PLANT PROTEIN / thaumatin family / mainly beta / taste protein / sweet receptor / aril | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Masuda, T. / Mikami, B. / Kitabatake, N. | ||||||
![]() | ![]() Title: Crystal structure of the sweet-tasting protein thaumatin II at 1.27A Authors: Masuda, T. / Ohta, K. / Tani, F. / Mikami, B. / Kitabatake, N. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 114.9 KB | Display | ![]() |
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PDB format | ![]() | 95.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 459.7 KB | Display | ![]() |
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Full document | ![]() | 472.5 KB | Display | |
Data in XML | ![]() | 16.9 KB | Display | |
Data in CIF | ![]() | 26.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 22312.186 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() | ||||
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#2: Chemical | #3: Chemical | ChemComp-GOL / #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.81 Å3/Da / Density % sol: 56.2 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 0.02M ADA, 0.75M TARTRATE, 25%GLYCEROL, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 210 / Detector: CCD / Date: Jun 4, 2010 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.27→50 Å / Num. obs: 68167 / % possible obs: 100 % / Redundancy: 9.1 % / Rmerge(I) obs: 0.072 / Net I/σ(I): 48.1 |
Reflection shell | Resolution: 1.27→1.32 Å / Redundancy: 8.8 % / Rmerge(I) obs: 0.328 / Mean I/σ(I) obs: 8.3 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: AB INITIO / Resolution: 1.27→10 Å / Num. parameters: 20064 / Num. restraintsaints: 26217 / Cross valid method: FREE R / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF) BY ?
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Refine analyze | Num. disordered residues: 38 / Occupancy sum hydrogen: 0 / Occupancy sum non hydrogen: 1991.17 | |||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.27→10 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.27→1.32 Å
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