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Open data
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Basic information
| Entry | Database: PDB / ID: 1fnj | ||||||
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| Title | CRYSTAL STRUCTURE ANALYSIS OF CHORISMATE MUTASE MUTANT C88S/R90K | ||||||
Components | PROTEIN (CHORISMATE MUTASE) | ||||||
Keywords | ISOMERASE / chorismate mutase / protein / mutant / pseudo-alpha beta-barrel / trimer | ||||||
| Function / homology | Function and homology informationchorismate metabolic process / chorismate mutase / chorismate mutase activity / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / cytoplasm Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMEN / Resolution: 1.9 Å | ||||||
Authors | Kast, P. / Grisostomi, C. / Chen, I.A. / Li, S. / Krengel, U. / Xue, Y. / Hilvert, D. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2000Title: A strategically positioned cation is crucial for efficient catalysis by chorismate mutase. Authors: Kast, P. / Grisostomi, C. / Chen, I.A. / Li, S. / Krengel, U. / Xue, Y. / Hilvert, D. #1: Journal: Proc.Natl.Acad.Sci.USA / Year: 1996Title: Exploring the active site of chorismate mutase by combinatorial mutagenesis and selection: the importance of electrostatic catalysis Authors: Kast, P. / Asif-Ullah, M. / Jiang, N. / Hilvert, D. #2: Journal: J.Am.Chem.Soc. / Year: 1999Title: Heavy atom isotope effects reveal a highly polarized transition state for chorismate mutase Authors: Gustin, D.J. / Mattei, P. / Kast, P. / Wiest, O. / Lee, L. / Cleland, W.W. / Hilvert, D. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1fnj.cif.gz | 36.9 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1fnj.ent.gz | 24.6 KB | Display | PDB format |
| PDBx/mmJSON format | 1fnj.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1fnj_validation.pdf.gz | 432.6 KB | Display | wwPDB validaton report |
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| Full document | 1fnj_full_validation.pdf.gz | 433.2 KB | Display | |
| Data in XML | 1fnj_validation.xml.gz | 6.9 KB | Display | |
| Data in CIF | 1fnj_validation.cif.gz | 8.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/fn/1fnj ftp://data.pdbj.org/pub/pdb/validation_reports/fn/1fnj | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1fnkC ![]() 2chtS 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
| #1: Protein | Mass: 14479.837 Da / Num. of mol.: 1 / Mutation: YES Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Plasmid details: PET-22B(+) FROM NOVAGEN (MADISON, WI) AND PKET3-W, A PET-22B(+) DERIVATIVE ALLOWING FOR T7 PROMOTOR-DRIVEN GENE EXPRESSION Plasmid: PET-22B(+),PKET3-W / Production host: ![]() |
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| #2: Water | ChemComp-HOH / |
| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.2 Å3/Da / Density % sol: 45 % | |||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 7 Details: Protein solution: 10 mM Tris-HCl, 2mM DTT, 0.125 mM EDTA, Reservoir solution: 30% PEG 400, 50 mM Tris-HCl, 50 mM Magnesium Chloride, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K | |||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS PH range low: 7.5 / PH range high: 7 | |||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 295 K |
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| Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.54 |
| Detector | Type: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Nov 1, 1996 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.54 Å / Relative weight: 1 |
| Reflection | Resolution: 1.75→30 Å / Num. obs: 10748 / % possible obs: 97.7 % / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Rsym value: 0.06 / Net I/σ(I): 29 |
| Reflection shell | Resolution: 1.75→1.81 Å / Redundancy: 2.5 % / Rsym value: 0.068 / % possible all: 82.1 |
| Reflection | *PLUS Highest resolution: 1.75 Å / Lowest resolution: 30 Å / Rmerge(I) obs: 0.06 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMEN Starting model: PDB# 2CHT Resolution: 1.9→30 Å / Cross valid method: R-FREE / σ(F): 2
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| Refinement step | Cycle: LAST / Resolution: 1.9→30 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 1.9→1.99 Å / Total num. of bins used: 8
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| Xplor file | Serial no: 1 / Param file: PARHCSDX.PRO / Topol file: TOPHCSDX.PRO | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS Highest resolution: 1.9 Å / Lowest resolution: 30 Å / % reflection Rfree: 5 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS Rfactor Rfree: 0.343 / % reflection Rfree: 3.4 % / Rfactor Rwork: 0.316 |
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