+Open data
-Basic information
Entry | Database: PDB / ID: 4x7g | ||||||
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Title | CobK precorrin-6A reductase | ||||||
Components | Precorrin-6A reductase | ||||||
Keywords | OXIDOREDUCTASE / NADP binding | ||||||
Function / homology | precorrin-6A reductase / precorrin-6A reductase activity / Precorrin-6x reductase / Precorrin-6x reductase CbiJ/CobK / Precorrin-6x reductase domain profile. / cobalamin biosynthetic process / Chem-3Y8 / NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE / Precorrin-6A reductase Function and homology information | ||||||
Biological species | Rhodobacter capsulatus (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 1.22 Å | ||||||
Authors | Gu, S. / Deery, E. / Warren, M.J. / Pickersgill, R.W. | ||||||
Funding support | United Kingdom, 1items
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Citation | Journal: Sci Rep / Year: 2015 Title: Crystal structure of CobK reveals strand-swapping between Rossmann-fold domains and molecular basis of the reduced precorrin product trap. Authors: Gu, S. / Sushko, O. / Deery, E. / Warren, M.J. / 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 | 4x7g.cif.gz | 70.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4x7g.ent.gz | 49.9 KB | Display | PDB format |
PDBx/mmJSON format | 4x7g.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4x7g_validation.pdf.gz | 1.3 MB | Display | wwPDB validaton report |
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Full document | 4x7g_full_validation.pdf.gz | 1.3 MB | Display | |
Data in XML | 4x7g_validation.xml.gz | 16.2 KB | Display | |
Data in CIF | 4x7g_validation.cif.gz | 22.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/x7/4x7g ftp://data.pdbj.org/pub/pdb/validation_reports/x7/4x7g | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 26217.561 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Rhodobacter capsulatus (strain ATCC BAA-309 / NBRC 16581 / SB1003) (bacteria) Gene: cobK, RCAP_rcc02043 Production host: Escherichia coli 'BL21-Gold(DE3)pLysS AG' (bacteria) References: UniProt: O68098, precorrin-6A reductase |
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#2: Chemical | ChemComp-NAP / |
#3: Chemical | ChemComp-3Y8 / |
#4: Water | ChemComp-HOH / |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 2.16 Å3/Da / Density % sol: 43.16 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion / pH: 8 / Details: 18% w/v PEG 3350, 0.2 M NH4 Cl |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SOLEIL / Beamline: PROXIMA 1 / Wavelength: 0.979 Å |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jun 28, 2014 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 1.22→47.3 Å / Num. obs: 73880 / % possible obs: 99.2 % / Redundancy: 7.09 % / Rmerge(I) obs: 0.138 / Net I/σ(I): 16.254 |
Reflection shell | Resolution: 1→1.22 Å / Rmerge(I) obs: 0.596 / Mean I/σ(I) obs: 6.6 / % possible all: 99.2 |
-Processing
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Refinement | Method to determine structure: SAD / Resolution: 1.22→47.29 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.967 / SU B: 0.719 / SU ML: 0.032 / Cross valid method: FREE R-VALUE / ESU R: 0.041 / ESU R Free: 0.043 / 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 16.163 Å2
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Refinement step | Cycle: LAST / Resolution: 1.22→47.29 Å
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Refine LS restraints |
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