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- PDB-6ito: Crystal structure of pyruvate kinase (PYK) from Mycobacterium tub... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6ito | ||||||
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Title | Crystal structure of pyruvate kinase (PYK) from Mycobacterium tuberculosis in complex with Oxalate, AMP and inhibitor Ribose 5-Phosphate | ||||||
![]() | Pyruvate kinase | ||||||
![]() | TRANSFERASE / pyruvate kinase / glycolysis / tetramer / allostery / synergism / phospho transferase | ||||||
Function / homology | ![]() pyruvate kinase / pyruvate kinase activity / potassium ion binding / glycolytic process / kinase activity / magnesium ion binding / ATP binding / plasma membrane / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Zhong, W. / Cai, Q. / El Sahili, A. / Mu, Y. / Lescar, J. / Dedon, P.C. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Pyruvate Kinase Regulates the Pentose-Phosphate Pathway in Response to Hypoxia in Mycobacterium tuberculosis. Authors: Zhong, W. / Guo, J. / Cui, L. / Chionh, Y.H. / Li, K. / El Sahili, A. / Cai, Q. / Yuan, M. / Michels, P.A.M. / Fothergill-Gilmore, L.A. / Walkinshaw, M.D. / Mu, Y. / Lescar, J. / Dedon, P.C. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 727.9 KB | Display | ![]() |
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PDB format | ![]() | 604.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 5wscS S: Starting model for refinement |
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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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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Beg auth comp-ID: THR / Beg label comp-ID: THR / End auth comp-ID: VAL / End label comp-ID: VAL / Refine code: _ / Auth seq-ID: 2 - 472 / Label seq-ID: 5 - 475
NCS ensembles :
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Components
-Protein / Sugars , 2 types, 8 molecules ABCD![](data/chem/img/R5P.gif)
![](data/chem/img/R5P.gif)
#1: Protein | Mass: 51014.336 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: ATCC 25618 / H37Rv / Gene: pyk, pykA, Rv1617, MTCY01B2.09 / Plasmid: pYUB28b-TEV / Production host: ![]() ![]() #4: Sugar | ChemComp-R5P / |
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-Non-polymers , 4 types, 552 molecules ![](data/chem/img/MG.gif)
![](data/chem/img/OXL.gif)
![](data/chem/img/AMP.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/OXL.gif)
![](data/chem/img/AMP.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-MG / #3: Chemical | ChemComp-OXL / #5: Chemical | ChemComp-AMP / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.23 Å3/Da / Density % sol: 61.91 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.2 Details: 12% PEG 8000, 20% glycerol, 50 mM triethanolamine-HCl (TEA) buffer pH 7.2, 100 mM KCl, 50 mM MgCl2, 5 mM oxalate, 5 mM AMP, 5 mM D-ribose 5-phosphate |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Sep 3, 2016 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.55→62.77 Å / Num. obs: 82657 / % possible obs: 100 % / Redundancy: 4 % / Biso Wilson estimate: 38.9 Å2 / Rmerge(I) obs: 0.124 / Net I/σ(I): 8.8 |
Reflection shell | Resolution: 2.55→2.6 Å / Redundancy: 4.1 % / Rmerge(I) obs: 0.94 / Mean I/σ(I) obs: 1.6 / Num. unique obs: 4510 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5WSC Resolution: 2.55→62.77 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.92 / SU B: 30.649 / SU ML: 0.306 / Cross valid method: THROUGHOUT / ESU R: 0.475 / ESU R Free: 0.28 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 54.418 Å2
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Refinement step | Cycle: 1 / Resolution: 2.55→62.77 Å
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Refine LS restraints |
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