+Open data
-Basic information
Entry | Database: PDB / ID: 1b7b | ||||||
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Title | Carbamate kinase from Enterococcus faecalis | ||||||
Components | CARBAMATE KINASE | ||||||
Keywords | TRANSFERASE / PHOSPHOTRANSFERASE / ARGININE CATABOLISM / ATP SYNTHESYS / ACYLPHOSPHATE-MAKING ENZYMES / OPEN ALPHA/BETA SHEET | ||||||
Function / homology | Function and homology information : / carbamate kinase / carbamate kinase activity / arginine metabolic process / ATP binding / cytoplasm Similarity search - Function | ||||||
Biological species | Enterococcus faecium (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MIRAS / Resolution: 2.8 Å | ||||||
Authors | Marina, A. / Alzari, P.M. / Bravo, J. / Uriarte, M. / Barcelona, B. / Fita, I. / Rubio, V. | ||||||
Citation | Journal: Protein Sci. / Year: 1999 Title: Carbamate kinase: New structural machinery for making carbamoyl phosphate, the common precursor of pyrimidines and arginine. Authors: Marina, A. / Alzari, P.M. / Bravo, J. / Uriarte, M. / Barcelona, B. / Fita, I. / Rubio, V. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1b7b.cif.gz | 237.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1b7b.ent.gz | 193.8 KB | Display | PDB format |
PDBx/mmJSON format | 1b7b.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b7/1b7b ftp://data.pdbj.org/pub/pdb/validation_reports/b7/1b7b | HTTPS FTP |
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-Related structure data
Similar structure data |
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-Links
-Assembly
Deposited unit |
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2 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS oper:
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-Components
#1: Protein | Mass: 32958.578 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Details: COMPLEXED WITH SULPHATE ANION / Source: (natural) Enterococcus faecium (bacteria) / Cellular location: CYTOPLASM / Plasmid: PCK41 / Strain: D10 / References: UniProt: P0A2X8, carbamate kinase #2: Chemical | ChemComp-SO4 / #3: Water | ChemComp-HOH / | |
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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: 2.62 Å3/Da / Density % sol: 52.62 % | ||||||||||||||||
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Crystal grow | pH: 6.4 / Details: PEG 4000, (NH4)2SO4, SODIUM CACODYLATE, pH 6.4 | ||||||||||||||||
Components of the solutions |
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Crystal grow | *PLUS Method: other / Details: Marina, A., (1994) J. Mol. Biol., 235, 1345. | ||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7B / Wavelength: 0.928 |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 15, 1996 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.928 Å / Relative weight: 1 |
Reflection | Resolution: 2.8→15 Å / Num. obs: 31935 / % possible obs: 89.5 % / Redundancy: 3.1 % / Rmerge(I) obs: 0.064 / Net I/σ(I): 8.9 |
-Processing
Software |
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Refinement | Method to determine structure: MIRAS / Resolution: 2.8→15 Å / Data cutoff low absF: 200 / σ(F): 2
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Displacement parameters | Biso mean: 28 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.8→15 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Rms dev Biso : 0 Å2 / Rms dev position: 0 Å / Weight Biso : 2 / Weight position: 30
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LS refinement shell | Resolution: 2.8→2.93 Å / Total num. of bins used: 8
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Xplor file |
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Software | *PLUS Name: X-PLOR / Version: 3.851 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.8 Å / Lowest resolution: 15 Å / σ(F): 2 / % reflection Rfree: 10.2 % / Rfactor obs: 0.224 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 28 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS Type: x_angle_deg / Dev ideal: 1.4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | *PLUS Highest resolution: 2.8 Å / Rfactor Rfree: 0.344 / % reflection Rfree: 11 % / Rfactor Rwork: 0.287 |