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Yorodumi- PDB-2nsp: Crystal structure of pectin methylesterase D178A mutant in comple... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2nsp | ||||||||||||
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Title | Crystal structure of pectin methylesterase D178A mutant in complex with hexasaccharide I | ||||||||||||
Components | Pectinesterase A | ||||||||||||
Keywords | HYDROLASE / Michaelis complex | ||||||||||||
Function / homology | Function and homology information pectinesterase / pectinesterase activity / cell wall modification / pectin catabolic process / extracellular space Similarity search - Function | ||||||||||||
Biological species | Erwinia chrysanthemi (bacteria) | ||||||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.7 Å | ||||||||||||
Authors | Fries, M. / Brocklehurst, K. / Shevchik, V.E. / Pickersgill, R.W. | ||||||||||||
Citation | Journal: Embo J. / Year: 2007 Title: Molecular basis of the activity of the phytopathogen pectin methylesterase. Authors: Fries, M. / Ihrig, J. / Brocklehurst, K. / Shevchik, V.E. / Pickersgill, R.W. | ||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2nsp.cif.gz | 162.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2nsp.ent.gz | 125.8 KB | Display | PDB format |
PDBx/mmJSON format | 2nsp.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2nsp_validation.pdf.gz | 903.6 KB | Display | wwPDB validaton report |
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Full document | 2nsp_full_validation.pdf.gz | 911.4 KB | Display | |
Data in XML | 2nsp_validation.xml.gz | 34.4 KB | Display | |
Data in CIF | 2nsp_validation.cif.gz | 52.9 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ns/2nsp ftp://data.pdbj.org/pub/pdb/validation_reports/ns/2nsp | HTTPS FTP |
-Related structure data
Related structure data | 2nstC 2nt6C 2nt9C 2ntbC 2ntpC 2ntqC 1qjvS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: ALA / Beg label comp-ID: ALA / End auth comp-ID: PRO / End label comp-ID: PRO / Refine code: 1 / Auth seq-ID: 25 - 366 / Label seq-ID: 1 - 342
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-Components
#1: Protein | Mass: 36949.785 Da / Num. of mol.: 2 / Mutation: D178A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Erwinia chrysanthemi (bacteria) / Genus: Dickeya / Strain: 3937 / Gene: pemA, pem / Plasmid: pBCKS/pemA / Production host: Escherichia coli (E. coli) / Strain (production host): NM522 / References: UniProt: P0C1A9, pectinesterase #2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.86 Å3/Da / Density % sol: 56.94 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: Ammonium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID14-3 / Wavelength: 0.93 Å |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Mar 10, 2006 / Details: Diamond (111), Ge(220), toroidal mirror |
Radiation | Monochromator: Diamond(111), Ge(220) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.93 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→97.13 Å / Num. obs: 91132 / % possible obs: 99.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Biso Wilson estimate: 13.2 Å2 / Rmerge(I) obs: 0.075 / Net I/σ(I): 16.3 |
Reflection shell | Resolution: 1.7→1.79 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.151 / Mean I/σ(I) obs: 7.6 / % possible all: 99.6 |
-Processing
Software |
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Refinement | Method to determine structure: FOURIER SYNTHESIS Starting model: PDB entry 1QJV Resolution: 1.7→97.13 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.927 / SU B: 1.634 / SU ML: 0.056 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.103 / ESU R Free: 0.094 / 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: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 14.356 Å2
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Refinement step | Cycle: LAST / Resolution: 1.7→97.13 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Auth asym-ID: B / Ens-ID: 1 / Number: 2606 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 1.7→1.744 Å / Total num. of bins used: 20
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