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- PDB-5hkl: Crystal structure of Mycobacterium tuberculosis H37Rv orotate pho... -
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Open data
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Basic information
Entry | Database: PDB / ID: 5hkl | ||||||
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Title | Crystal structure of Mycobacterium tuberculosis H37Rv orotate phosphoribosyltransferase in complex with inorganic phosphate | ||||||
![]() | Orotate phosphoribosyltransferase | ||||||
![]() | TRANSFERASE / OPRT / de novo pyrimidine nucleotide synthesis / inorganic phosphate complex | ||||||
Function / homology | ![]() UMP biosynthetic process / orotate phosphoribosyltransferase / orotate phosphoribosyltransferase activity / pyrimidine nucleobase biosynthetic process / orotidine-5'-phosphate decarboxylase activity / 'de novo' UMP biosynthetic process / magnesium ion binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Donini, S. / Bolognesi, G. / Rizzi, M. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Structural investigations on orotate phosphoribosyltransferase from Mycobacterium tuberculosis, a key enzyme of the de novo pyrimidine biosynthesis. Authors: Donini, S. / Ferraris, D.M. / Miggiano, R. / Massarotti, A. / Rizzi, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 81.8 KB | Display | ![]() |
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PDB format | ![]() | 61.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 449.5 KB | Display | ![]() |
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Full document | ![]() | 451.2 KB | Display | |
Data in XML | ![]() | 16.4 KB | Display | |
Data in CIF | ![]() | 23.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 5hkfC ![]() 5hkiSC S: Starting model for refinement C: citing same article ( |
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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: _ / Ens-ID: 1 / Beg auth comp-ID: GLY / Beg label comp-ID: GLY / End auth comp-ID: GLY / End label comp-ID: GLY / Refine code: _ / Auth seq-ID: 3 - 177 / Label seq-ID: 14 - 188
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Components
#1: Protein | Mass: 20340.977 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: The overall electron density presents two gaps between the residues 1-2 and 97-104, numbered from the N-terminal methionine. No His-tag was traced in this case. Source: (gene. exp.) ![]() Gene: pyrE, umpA, Rv0382c, MTV036.17c / Production host: ![]() ![]() References: UniProt: P9WHK9, orotate phosphoribosyltransferase #2: Chemical | ChemComp-PO4 / | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.3 Å3/Da / Density % sol: 46.52 % |
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Crystal grow | Temperature: 277.15 K / Method: vapor diffusion, sitting drop Details: 0.1M HEPES pH 7.5, 10% (w/v) PEG8000, 8% (v/v) Ethylene glycol, 1mM PRPP |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Feb 13, 2015 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9 Å / Relative weight: 1 |
Reflection | Resolution: 1.899→49.21 Å / Num. obs: 26990 / % possible obs: 99.1 % / Redundancy: 3.2 % / Rmerge(I) obs: 0.056 / Net I/σ(I): 13.6 |
Reflection shell | Resolution: 1.899→1.967 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.196 / Mean I/σ(I) obs: 4.78 / % possible all: 95.53 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5HKI Resolution: 1.899→53.85 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.943 / SU B: 2.891 / SU ML: 0.085 / Cross valid method: THROUGHOUT / ESU R: 0.131 / ESU R Free: 0.124 / Stereochemistry target values: MAXIMUM LIKELIHOOD / 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 / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 28.702 Å2
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Refinement step | Cycle: LAST / Resolution: 1.899→53.85 Å
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Refine LS restraints |
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