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Yorodumi- PDB-4zlb: Structural studies on a non-toxic homologue of type II RIPs from ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 4zlb | |||||||||
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Title | Structural studies on a non-toxic homologue of type II RIPs from Momordica charantia (bitter gourd) in complex with lactose | |||||||||
Components | (rRNA N-glycosidase) x 2 | |||||||||
Keywords | HYDROLASE / beta-trefoil / Type II RIPs / Galactose binding lectin | |||||||||
Function / homology | Function and homology information rRNA N-glycosylase / rRNA N-glycosylase activity / defense response / toxin activity / negative regulation of translation Similarity search - Function | |||||||||
Biological species | Momordica charantia (bitter melon) | |||||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.55 Å | |||||||||
Authors | Chandran, T. / Sharma, A. / Vijayan, M. | |||||||||
Funding support | India, 1items
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Citation | Journal: J.Biosci. / Year: 2015 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: Journal: Acta Crystallogr. D Biol. Crystallogr. / Year: 2013 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: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4zlb.cif.gz | 120.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4zlb.ent.gz | 91.5 KB | Display | PDB format |
PDBx/mmJSON format | 4zlb.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4zlb_validation.pdf.gz | 1.7 MB | Display | wwPDB validaton report |
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Full document | 4zlb_full_validation.pdf.gz | 1.7 MB | Display | |
Data in XML | 4zlb_validation.xml.gz | 21.8 KB | Display | |
Data in CIF | 4zlb_validation.cif.gz | 30.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zl/4zlb ftp://data.pdbj.org/pub/pdb/validation_reports/zl/4zlb | HTTPS FTP |
-Related structure data
Related structure data | 4z8sSC 4z9wC 4za3C 4zbvC 4zfuC 4zfwC 4zfyC 4zgrC C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-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) Momordica charantia (bitter melon) / References: UniProt: B7X8M2, rRNA N-glycosylase |
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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) Momordica charantia (bitter melon) / References: UniProt: B7X8M2, rRNA N-glycosylase |
-Sugars , 6 types, 6 molecules
#3: 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 |
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#4: Polysaccharide | alpha-L-fucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#5: Polysaccharide | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#6: Polysaccharide | beta-D-galactopyranose-(1-4)-beta-D-glucopyranose / beta-lactose |
#7: Sugar | ChemComp-NAG / |
#8: Sugar | ChemComp-XYP / |
-Non-polymers , 1 types, 179 molecules
#9: Water | ChemComp-HOH / |
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-Details
Has protein modification | Y |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 3.39 Å3/Da / Density % sol: 63.77 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.3 / Details: 0.1M HEPES, 25% w/v PEG 10000 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: BRUKER AXS MICROSTAR / Wavelength: 1.54179 Å |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: May 7, 2012 |
Radiation | Monochromator: Mirrors POLAR 0.000 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.54179 Å / Relative weight: 1 |
Reflection | Resolution: 2.55→69.79 Å / Num. obs: 26759 / % possible obs: 97.5 % / Redundancy: 6.7 % / Rmerge(I) obs: 0.2 / Net I/σ(I): 7 |
Reflection shell | Resolution: 2.55→2.69 Å / Redundancy: 4.9 % / Mean I/σ(I) obs: 2 / % possible all: 93.3 |
-Processing
Software | Name: REFMAC / Version: 5.8.0107 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4Z8S Resolution: 2.55→69.79 Å / Cor.coef. Fo:Fc: 0.887 / Cor.coef. Fo:Fc free: 0.841 / SU B: 16.327 / SU ML: 0.317 / Cross valid method: THROUGHOUT / ESU R: 0.463 / ESU R Free: 0.313 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.9 Å / Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 31.36 Å2
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Refinement step | Cycle: LAST / Resolution: 2.55→69.79 Å
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