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- PDB-5id2: Asymmetry in the active site of Mycobacterium tuberculosis AhpE u... -
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Open data
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Basic information
Entry | Database: PDB / ID: 5id2 | ||||||
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Title | Asymmetry in the active site of Mycobacterium tuberculosis AhpE upon exposure to Mycothiol | ||||||
![]() | (Putative peroxiredoxin Rv2238c) x 2 | ||||||
![]() | OXIDOREDUCTASE / Thioredoxin fold | ||||||
Function / homology | ![]() mycoredoxin-dependent peroxiredoxin / Tolerance by Mtb to nitric oxide produced by macrophages / response to nitrosative stress / peroxiredoxin activity / thioredoxin peroxidase activity / cell redox homeostasis / peroxidase activity / cellular response to oxidative stress / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Kumar, A. / Balakrishna, A.M. / Gruber, G. | ||||||
![]() | ![]() Title: Redox chemistry of Mycobacterium tuberculosis alkylhydroperoxide reductase E (AhpE): Structural and mechanistic insight into a mycoredoxin-1 independent reductive pathway of AhpE via mycothiol Authors: Kumar, A. / Balakrishna, A.M. / Nartey, W. / Manimekalai, M.S.S. / Gruber, G. #1: ![]() Title: Crystal Structure of AhpE from Mycobacterium tuberculosis, a 1-Cys peroxiredoxin Authors: Li, S. / Peterson, N.A. / Kim, M.Y. / Kim, C.Y. / Hung, L.W. / Yu, M. / Lekin, T. / Segelke, B.W. / Lott, J.S. / Baker, E.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 | ![]() | 257.2 KB | Display | ![]() |
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PDB format | ![]() | 209.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 479.8 KB | Display | ![]() |
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Full document | ![]() | 482.4 KB | Display | |
Data in XML | ![]() | 25.8 KB | Display | |
Data in CIF | ![]() | 35.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1xxuS 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: _ / Refine code: _
NCS ensembles :
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Components
#1: Protein | Mass: 18266.648 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: H37Rv / Gene: Rv2238c, MtAhpE / Plasmid: pET9D / Production host: ![]() ![]() #2: Protein | Mass: 18250.648 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Strain: H37Rv / Gene: Rv2238c, MtAhpE / Plasmid: pET9D / Production host: ![]() ![]() #3: Chemical | #4: Chemical | ChemComp-ACT / | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.48 Å3/Da / Density % sol: 53.34 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 1.8M sodium malonate pH 5.0, 0.1M sodium acetate pH 4.5, 5% Glycerol |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 23, 2015 / Details: mirrors |
Radiation | Monochromator: Double Crystal Si(111) Monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.43→30 Å / Num. obs: 27862 / % possible obs: 99.6 % / Observed criterion σ(I): 3 / Redundancy: 4 % / Biso Wilson estimate: 29.01 Å2 / CC1/2: 0.997 / Rmerge(I) obs: 0.067 / Net I/σ(I): 14.5 |
Reflection shell | Resolution: 2.43→2.52 Å / Redundancy: 3.9 % / Rmerge(I) obs: 0.276 / Mean I/σ(I) obs: 2.9 / % possible all: 97.3 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1XXU Resolution: 2.43→29.94 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.934 / SU B: 14.877 / SU ML: 0.153 / Cross valid method: THROUGHOUT / ESU R: 0.446 / ESU R Free: 0.225 / 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: 28.728 Å2
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Refinement step | Cycle: 1 / Resolution: 2.43→29.94 Å
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Refine LS restraints |
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