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- PDB-4zgr: Structural studies on a non-toxic homologue of type II RIPs from ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 4zgr | |||||||||
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Title | Structural studies on a non-toxic homologue of type II RIPs from Momordica charantia (bitter gourd) in complex with T-Antigen. | |||||||||
![]() | (rRNA N-glycosidase) x 2 | |||||||||
![]() | HYDROLASE / beta-trefoil / Type II RIPs / Galactose binding lectin | |||||||||
Function / homology | ![]() rRNA N-glycosylase / rRNA N-glycosylase activity / defense response / toxin activity / negative regulation of translation Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Chandran, T. / Sharma, A. / Vijayan, M. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural studies on a non-toxic homologue of type II RIPs from bitter gourd: Molecular basis of non-toxicity, conformational selection and glycan structure. Authors: Chandran, T. / Sharma, A. / Vijayan, M. #1: Journal: Acta Crystallogr. F Biol. Crystallogr. / Year: 2010 Title: Crystallization and preliminary X-ray studies of a galactose-specific lectin from the seeds of bitter gourd (Momordica charantia). Authors: Sharma, A. / Pohlentz, G. / Bobbili, K.B. / Jeyaprakash, A.A. / Chandran, T. / Mormann, M. / Swamy, M.J. / Vijayan, M. #2: ![]() Title: The sequence and structure of snake gourd (Trichosanthes anguina) seed lectin, a three-chain nontoxic homologue of type II RIPs. Authors: Sharma, A. / Pohlentz, G. / Bobbili, K.B. / Jeyaprakash, A.A. / Chandran, T. / Mormann, M. / Swamy, M.J. / Vijayan, 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 | ![]() | 129.3 KB | Display | ![]() |
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PDB format | ![]() | 96.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.9 MB | Display | ![]() |
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Full document | ![]() | 1.9 MB | Display | |
Data in XML | ![]() | 25.4 KB | Display | |
Data in CIF | ![]() | 36.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 4z8sSC ![]() 4z9wC ![]() 4za3C ![]() 4zbvC ![]() 4zfuC ![]() 4zfwC ![]() 4zfyC ![]() 4zlbC 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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1 |
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Unit cell |
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Components
-Protein , 2 types, 2 molecules AB
#1: Protein | Mass: 27642.234 Da / Num. of mol.: 1 / Fragment: UNP RESIDUES 24-270 / Source method: isolated from a natural source / Source: (natural) ![]() |
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#2: Protein | Mass: 29017.416 Da / Num. of mol.: 1 / Fragment: UNP RESIDUES 287-547 / Source method: isolated from a natural source / Source: (natural) ![]() |
-Sugars , 7 types, 7 molecules ![](data/chem/img/NAG.gif)
![](data/chem/img/XYP.gif)
![](data/chem/img/MAN.gif)
![](data/chem/img/XYP.gif)
![](data/chem/img/MAN.gif)
#3: Polysaccharide | beta-D-galactopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-galactopyranose Source method: isolated from a genetically manipulated source |
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#4: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#5: Polysaccharide | alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#6: Polysaccharide | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#7: Sugar | ChemComp-NAG / |
#9: Sugar | ChemComp-XYP / |
#10: Sugar | ChemComp-MAN / |
-Non-polymers , 2 types, 398 molecules ![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/HOH.gif)
#8: Chemical | ChemComp-GOL / |
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#11: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.88 Å3/Da / Density % sol: 68.33 % / Description: orthorhombic |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.3 / Details: 0.1M HEPES, 20% w/v PEG 10000, glycerol |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jul 9, 2013 |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.95372 Å / Relative weight: 1 |
Reflection | Resolution: 1.97→39.26 Å / Num. all: 63830 / Num. obs: 63830 / % possible obs: 100 % / Redundancy: 7.3 % / Biso Wilson estimate: 25.9 Å2 / Rmerge(I) obs: 0.085 / Net I/σ(I): 14.5 |
Reflection shell | Resolution: 1.97→2.07 Å / Redundancy: 7.1 % / Mean I/σ(I) obs: 4.4 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4Z8S Resolution: 1.97→39.26 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.948 / SU B: 2.898 / SU ML: 0.081 / Cross valid method: THROUGHOUT / ESU R: 0.117 / ESU R Free: 0.108 / 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: 28.773 Å2
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Refinement step | Cycle: LAST / Resolution: 1.97→39.26 Å
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Refine LS restraints |
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