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- PDB-4iv8: Crystal structure of N-methyl transferase from Plasmodium knowles... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4iv8 | ||||||
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Title | Crystal structure of N-methyl transferase from Plasmodium knowlesi complexed with S-adenosyl methionine | ||||||
![]() | Phosphoethanolamine N-methyltransferase,putative | ||||||
![]() | TRANSFERASE / AdoMet_MTase | ||||||
Function / homology | ![]() phosphoethanolamine N-methyltransferase activity / phosphoethanolamine N-methyltransferase / methylation Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lukk, T. / Nair, S.K. | ||||||
![]() | ![]() Title: Phosphoethanolamine N-methyl transferase is a Malarial drug target. Authors: Lukk, T. / Nair, S.K. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 125.1 KB | Display | ![]() |
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PDB format | ![]() | 95.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 988.5 KB | Display | ![]() |
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Full document | ![]() | 1007.5 KB | Display | |
Data in XML | ![]() | 24.8 KB | Display | |
Data in CIF | ![]() | 35.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3uj7S 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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Components
#1: Protein | Mass: 33187.918 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: B3L8G9, UniProt: A0A384KJX3*PLUS, phosphoethanolamine N-methyltransferase #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.38 Å3/Da / Density % sol: 48.29 % |
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Crystal grow | Temperature: 282 K / Method: vapor diffusion, hanging drop / pH: 5 Details: Protein solution was at 15 mg/mL containing 20 mM Tris, 100 mM NaCl, 2 mM EDTA and 5 mM bME, 5 mM SAM. Mother liqueur contained 0.1 M Na-acetate (pH 5.0) and 20% PEG 3.350. Cryoprotectant ...Details: Protein solution was at 15 mg/mL containing 20 mM Tris, 100 mM NaCl, 2 mM EDTA and 5 mM bME, 5 mM SAM. Mother liqueur contained 0.1 M Na-acetate (pH 5.0) and 20% PEG 3.350. Cryoprotectant was 10% glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 282K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: RAYONIX MX-300 / Detector: CCD / Date: Feb 15, 2012 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: C(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.97856 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.9→20 Å / Num. all: 51102 / Num. obs: 51018 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Biso Wilson estimate: 30.857 Å2 / Rmerge(I) obs: 0.089 / Net I/σ(I): 12.81 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 3UJ7 Resolution: 1.9→19.7 Å / Cor.coef. Fo:Fc: 0.948 / Cor.coef. Fo:Fc free: 0.921 / WRfactor Rfree: 0.2626 / WRfactor Rwork: 0.2271 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.7511 / SU B: 3.953 / SU ML: 0.115 / SU R Cruickshank DPI: 0.1732 / SU Rfree: 0.1597 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.173 / ESU R Free: 0.16 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT U VALUES : REFINED INDIVIDUALLY
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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: 72.28 Å2 / Biso mean: 27.0975 Å2 / Biso min: 10.82 Å2
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Refinement step | Cycle: LAST / Resolution: 1.9→19.7 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→1.949 Å / Total num. of bins used: 20
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