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Open data
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Basic information
Entry | Database: PDB / ID: 9b02 | ||||||
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Title | nnhA C357A catalytic mutant in tris buffer | ||||||
![]() | 2-nitroimidazole nitrohydrolase | ||||||
![]() | HYDROLASE / antibacterial / GME superfamily | ||||||
Function / homology | 2-nitroimidazole nitrohydrolase / nitroimidazole catabolic process / arginine deiminase activity / L-arginine deiminase pathway / Arginine deiminase / hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds / hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides / response to antibiotic / 2-nitroimidazole nitrohydrolase![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Peat, T.S. / Newman, J. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Structural insights into the enzymatic breakdown of azomycin-derived antibiotics by 2-nitroimdazole hydrolase (NnhA). Authors: Ahmed, F.H. / Liu, J.W. / Royan, S. / Warden, A.C. / Esquirol, L. / Pandey, G. / Newman, J. / Scott, C. / Peat, T.S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 100.5 KB | Display | ![]() |
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PDB format | ![]() | 71.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 9azgC ![]() 9azhC ![]() 9b01C C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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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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Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 43100.430 Da / Num. of mol.: 1 / Mutation: T2I, G14D, K73R, C357A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: F4ZCI3, 2-nitroimidazole nitrohydrolase |
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-Non-polymers , 6 types, 372 molecules 










#2: Chemical | ChemComp-GOL / | ||||
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#3: Chemical | ChemComp-NA / | ||||
#4: Chemical | ChemComp-CL / | ||||
#5: Chemical | #6: Chemical | ChemComp-DMS / | #7: Water | ChemComp-HOH / | |
-Details
Has ligand of interest | N |
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Has protein modification | N |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.29 Å3/Da / Density % sol: 62.57 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.2 Details: Protein was at 2.5 mg/mL in tris pH 7.0 buffer. The drops were 200 nL plus 200 nL and incubated at 20 C. The reservoir was 21.7% polyacrylic acid 5100, 15 mM MgCl2 and 100 mM HEPES pH 7.2 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER R 4M / Detector: PIXEL / Date: Mar 1, 2016 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9537 Å / Relative weight: 1 |
Reflection | Resolution: 1.97→40.3 Å / Num. obs: 39795 / % possible obs: 99.8 % / Redundancy: 11.3 % / CC1/2: 0.996 / Rmerge(I) obs: 0.178 / Rpim(I) all: 0.055 / Net I/σ(I): 10.9 |
Reflection shell | Resolution: 1.97→2.01 Å / Rmerge(I) obs: 0.909 / Mean I/σ(I) obs: 2.8 / Num. unique obs: 2711 / CC1/2: 0.862 / Rpim(I) all: 0.289 |
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Processing
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Refinement | Method to determine structure: ![]() Details: Hydrogens have been added in their 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 / Solvent model: MASK BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 18.616 Å2
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Refinement step | Cycle: LAST / Resolution: 1.97→40.3 Å
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Refine LS restraints |
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LS refinement shell |
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