+Open data
-Basic information
Entry | Database: PDB / ID: 2z2b | ||||||
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Title | Deletion 107-116 mutant of dihydroorotase from E. coli | ||||||
Components | Dihydroorotase | ||||||
Keywords | HYDROLASE / TIM barrel | ||||||
Function / homology | Function and homology information dihydroorotase / pyrimidine nucleotide biosynthetic process / dihydroorotase activity / 'de novo' UMP biosynthetic process / 'de novo' pyrimidine nucleobase biosynthetic process / protein homodimerization activity / zinc ion binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.85 Å | ||||||
Authors | Lee, M. / Maher, M.J. / Guss, J.M. | ||||||
Citation | Journal: Biochemistry / Year: 2007 Title: Kinetic and Structural Analysis of Mutant Escherichia coli Dihydroorotases: A Flexible Loop Stabilizes the Transition State Authors: Lee, M. / Maher, M.J. / Christopherson, R.I. / Guss, J.M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2z2b.cif.gz | 83.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2z2b.ent.gz | 60.6 KB | Display | PDB format |
PDBx/mmJSON format | 2z2b.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2z2b_validation.pdf.gz | 407.9 KB | Display | wwPDB validaton report |
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Full document | 2z2b_full_validation.pdf.gz | 409.8 KB | Display | |
Data in XML | 2z2b_validation.xml.gz | 8.7 KB | Display | |
Data in CIF | 2z2b_validation.cif.gz | 12.8 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/z2/2z2b ftp://data.pdbj.org/pub/pdb/validation_reports/z2/2z2b | HTTPS FTP |
-Related structure data
Related structure data | 2z24C 2z25C 2z26C 2z27C 2z28C 2z29C 2z2aC 1xgeS 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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Unit cell |
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Components on special symmetry positions |
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-Components
#1: Protein | Mass: 37801.105 Da / Num. of mol.: 1 / Mutation: Deletion (107-116) mutant Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: pyrC / Plasmid: pBluescript / Production host: Escherichia coli (E. coli) / Strain (production host): X7014a / References: UniProt: P05020, dihydroorotase | ||
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#2: Chemical | #3: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.25 Å3/Da / Density % sol: 45.44 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 14% PEG 3350, 0.1M MES, 75mM MgCl2, 0.15M KCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 23-ID-B / Wavelength: 0.9793 Å |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Apr 22, 2006 |
Radiation | Monochromator: Double crystal cryocooled Si(III) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9793 Å / Relative weight: 1 |
Reflection | Resolution: 1.85→40 Å / Num. all: 28254 / Num. obs: 28254 / % possible obs: 95.9 % / Observed criterion σ(I): 0 / Redundancy: 8.2 % / Biso Wilson estimate: 40.6 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 17.4 |
Reflection shell | Resolution: 1.85→1.9 Å / Redundancy: 6 % / Rmerge(I) obs: 0.63 / Mean I/σ(I) obs: 2.6 / Num. unique all: 1950 / % possible all: 92.5 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1XGE Resolution: 1.85→40 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.941 / SU B: 6.809 / SU ML: 0.111 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.15 / ESU R Free: 0.148 / 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: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 51.878 Å2
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Refine analyze | Luzzati coordinate error obs: 0.15 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.85→40 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.85→1.9 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Origin x: -6.2346 Å / Origin y: 12.6643 Å / Origin z: 17.7524 Å
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