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- PDB-3kgf: The structure of 3-deoxy-D-arabino-heptulosonate 7-phosphate synt... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3kgf | ||||||
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Title | The structure of 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase from Mycobacterium tuberculosis complexed with phenylalanine and tryptophan | ||||||
![]() | Probable 3-deoxy-D-arabino-heptulosonate 7-phosphate synthase AroG | ||||||
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Function / homology | ![]() ![]() ![]() ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Parker, E.J. / Jameson, G.B. / Jiao, W. / Webby, C.J. / Baker, E.N. / Baker, H.M. / Mycobacterium Tuberculosis Structural Proteomics Project (XMTB) | ||||||
![]() | ![]() Title: Synergistic allostery, a sophisticated regulatory network for the control of aromatic amino acid biosynthesis in Mycobacterium tuberculosis Authors: Webby, C.J. / Jiao, W. / Hutton, R.D. / Blackmore, N.J. / Baker, H.M. / Baker, E.N. / Jameson, G.B. / Parker, E.J. #1: ![]() Title: The structure of 3-deoxy-d-arabino-heptulosonate 7-phosphate synthase from Mycobacterium tuberculosis reveals a common catalytic scaffold and ancestry for type I and type II enzymes Authors: Webby, C.J. / Baker, H.M. / Lott, J.S. / Baker, E.N. / Parker, E.J. #2: ![]() Title: Substrate ambiguity and crystal structure of Pyrococcus furiosus 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase: an ancestral 3-deoxyald-2-ulosonate-phosphate synthase? Authors: Schofield, L.R. / Anderson, B.F. / Patchett, M.L. / Norris, G.E. / Jameson, G.B. / Parker, E.J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 344 KB | Display | ![]() |
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PDB format | ![]() | 272.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 3nudC ![]() 3nueC ![]() 3nv8C ![]() 2b7oS S: Starting model for refinement C: citing same article ( |
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Similar structure data | |
Other databases |
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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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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / End auth comp-ID: ASP / End label comp-ID: ASP / Refine code: 5
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 50828.395 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() ![]() ![]() References: UniProt: O53512, ![]() |
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-Non-polymers , 8 types, 801 molecules ![](data/chem/img/PHE.gif)
![](data/chem/img/TRP.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/MN.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/TRP.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/PO4.gif)
![](data/chem/img/MN.gif)
![](data/chem/img/CL.gif)
![](data/chem/img/SO4.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ![]() #3: Chemical | ![]() #4: Chemical | ChemComp-GOL / ![]() #5: Chemical | ![]() #6: Chemical | #7: Chemical | ![]() #8: Chemical | ![]() #9: Water | ChemComp-HOH / | ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.95 Å3/Da / Density % sol: 68.84 % |
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Crystal grow![]() | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 20mM BTP, 150mM NaCl, 0.5mM TCEP, 0.005%(v/v) Thesit, 0.2mM PEP, 0.1mM MnCl2, 0.1M Na HEPES, 0.8M NaK phosphate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291.0K |
-Data collection
Diffraction | Mean temperature: 120 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Dec 14, 2005 / Details: Osmic Blue Mirrors |
Radiation | Monochromator: OSMIC BLUE MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 2→39.5 Å / Num. all: 105425 / Num. obs: 105425 / % possible obs: 98.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.07 % / Biso Wilson estimate: 37.5 Å2 / Rmerge(I) obs: 0.064 / Net I/σ(I): 8.2 |
Reflection shell | Resolution: 2→2.07 Å / Redundancy: 2.38 % / Rmerge(I) obs: 0.381 / Mean I/σ(I) obs: 2.1 / Num. unique all: 10487 / % possible all: 87.2 |
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Processing
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Refinement | Method to determine structure![]() ![]() Starting model: 2b7o Resolution: 2→32.67 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.953 / Occupancy max: 1 / Occupancy min: 0.2 / SU B: 5.535 / SU ML: 0.082 / Isotropic thermal model: isotropic / Cross valid method: THROUGHOUT / ESU R: 0.118 / ESU R Free: 0.113 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. MN is chain A is present in 75% occupancy, while in chain B its occupancy is 50%. The water that is observed coordinated to the MN ion in ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. MN is chain A is present in 75% occupancy, while in chain B its occupancy is 50%. The water that is observed coordinated to the MN ion in chain A is displaced to more than 4 Angstroms away from the MN in chain B. Atom OE1 of GLU411 is weakly coordinated at distances greater than 2.6 Angstroms for both MN sites. Because the occupancy of MN in chain B is only two-thirds that of the MN in chain A, MN-ligand distances in chain B are ~0.2 A longer than the corresponding distances in chain A.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 84.1 Å2 / Biso mean: 25.418 Å2 / Biso min: 9.29 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2→32.67 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 2→2.052 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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