+Open data
-Basic information
Entry | Database: PDB / ID: 1jcx | ||||||
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Title | Aquifex aeolicus KDO8P synthase in complex with API and Cadmium | ||||||
Components | 2-DEHYDRO-3-DEOXYPHOSPHOOCTONATE ALDOLASE | ||||||
Keywords | LYASE / kdo8ps / kdo8p / kdo / API / beta/alpha barrel | ||||||
Function / homology | Function and homology information monosaccharide biosynthetic process / 3-deoxy-8-phosphooctulonate synthase / 3-deoxy-8-phosphooctulonate synthase activity / keto-3-deoxy-D-manno-octulosonic acid biosynthetic process / cytosol Similarity search - Function | ||||||
Biological species | Aquifex aeolicus (bacteria) | ||||||
Method | X-RAY DIFFRACTION / Resolution: 1.8 Å | ||||||
Authors | Wang, J. / Duewel, H.S. / Woodard, R.W. / Gatti, D.L. | ||||||
Citation | Journal: Biochemistry / Year: 2001 Title: Structures of Aquifex aeolicus KDO8P synthase in complex with R5P and PEP, and with a bisubstrate inhibitor: role of active site water in catalysis. Authors: Wang, J. / Duewel, H.S. / Woodard, R.W. / Gatti, D.L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1jcx.cif.gz | 118.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1jcx.ent.gz | 91.2 KB | Display | PDB format |
PDBx/mmJSON format | 1jcx.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1jcx_validation.pdf.gz | 989.2 KB | Display | wwPDB validaton report |
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Full document | 1jcx_full_validation.pdf.gz | 1003 KB | Display | |
Data in XML | 1jcx_validation.xml.gz | 24.9 KB | Display | |
Data in CIF | 1jcx_validation.cif.gz | 33.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/jc/1jcx ftp://data.pdbj.org/pub/pdb/validation_reports/jc/1jcx | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Details | The biological assembly is a tetramer constructed from chain A and chain B and their symmetry partners generated by application of the symmetry operation (x=y, y=x, z=-z) |
-Components
#1: Protein | Mass: 29774.406 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aquifex aeolicus (bacteria) / Plasmid: pAakdsA / Production host: Escherichia coli (E. coli) / References: UniProt: O66496, EC: 4.1.2.16 #2: Chemical | #3: Chemical | #4: 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: 2.77 Å3/Da / Density % sol: 55.65 % | ||||||||||||||||||||
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Crystal grow | Temperature: 278 K / Method: vapor diffusion, hanging drop / pH: 4.8 Details: 100 mM Na-acetate, 6% PEG 4000, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 278K | ||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / Details: Duewel, H.S., (2001) J. Biol. Chem., 276, 8393. | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 Å |
Detector | Type: RIGAKU RAXIS / Detector: IMAGE PLATE / Date: Aug 1, 2000 / Details: mirrors |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→27 Å / Num. all: 837390 / Num. obs: 837390 / % possible obs: 94.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 14.3 % / Biso Wilson estimate: 30.6 Å2 / Rmerge(I) obs: 0.059 / Net I/σ(I): 21 |
Reflection shell | Resolution: 1.8→1.91 Å |
Reflection | *PLUS Lowest resolution: 27 Å / Num. obs: 58558 / Num. measured all: 837390 |
-Processing
Software |
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Refinement | Resolution: 1.8→27.27 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 1116580.55 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 48.02 Å2 / ksol: 0.3691 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 34.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.8→27.27 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.8→1.91 Å / Rfactor Rfree error: 0.014 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: CNS / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS σ(F): 0 / % reflection Rfree: 10 % / Rfactor obs: 0.206 | ||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS Biso mean: 34.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.383 / % reflection Rfree: 10 % / Rfactor Rwork: 0.374 |