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- PDB-2i6k: Crystal structure of human type I IPP isomerase complexed with a ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2i6k | ||||||
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Title | Crystal structure of human type I IPP isomerase complexed with a substrate analog | ||||||
![]() | Isopentenyl-diphosphate delta-isomerase 1 | ||||||
![]() | ISOMERASE / globular domain / fold | ||||||
Function / homology | ![]() isopentenyl diphosphate biosynthetic process / isopentenyl-diphosphate Delta-isomerase / isopentenyl-diphosphate delta-isomerase activity / dimethylallyl diphosphate biosynthetic process / Cholesterol biosynthesis / isoprenoid biosynthetic process / cholesterol biosynthetic process / Activation of gene expression by SREBF (SREBP) / peroxisome / manganese ion binding ...isopentenyl diphosphate biosynthetic process / isopentenyl-diphosphate Delta-isomerase / isopentenyl-diphosphate delta-isomerase activity / dimethylallyl diphosphate biosynthetic process / Cholesterol biosynthesis / isoprenoid biosynthetic process / cholesterol biosynthetic process / Activation of gene expression by SREBF (SREBP) / peroxisome / manganese ion binding / magnesium ion binding / metal ion binding / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Zhang, C. / Wei, Z. / Gong, W. | ||||||
![]() | ![]() Title: Crystal structures of human IPP isomerase: new insights into the catalytic mechanism Authors: Zhang, C. / Liu, L. / Xu, H. / Wei, Z. / Wang, Y. / Lin, Y. / Gong, W. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 111.4 KB | Display | ![]() |
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PDB format | ![]() | 84.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 470.3 KB | Display | ![]() |
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Full document | ![]() | 477.2 KB | Display | |
Data in XML | ![]() | 20.6 KB | Display | |
Data in CIF | ![]() | 28.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2dhoSC ![]() 2ewq 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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2 | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: HIS / Beg label comp-ID: HIS / End auth comp-ID: ILE / End label comp-ID: ILE / Refine code: 1 / Auth seq-ID: 8 - 224 / Label seq-ID: 16 - 232
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Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 27608.809 Da / Num. of mol.: 2 / Mutation: K157M Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: Q13907, isopentenyl-diphosphate Delta-isomerase |
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-Non-polymers , 5 types, 152 molecules ![](data/chem/img/MN.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/EA2.gif)
![](data/chem/img/ACY.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/EA2.gif)
![](data/chem/img/ACY.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | #3: Chemical | ChemComp-MG / #4: Chemical | #5: Chemical | ChemComp-ACY / #6: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.07 Å3/Da / Density % sol: 40.62 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 0.2M Magnesium Acetate, 0.1M Sodium Cacodylate, 20% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Nov 4, 2005 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2→50 Å / Num. obs: 28398 / % possible obs: 94.1 % / Redundancy: 5.5 % / Rmerge(I) obs: 0.098 / Net I/σ(I): 9.5 |
Reflection shell | Resolution: 2→2.07 Å / Redundancy: 5.2 % / Rmerge(I) obs: 0.464 / % possible all: 87 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 2DHO Resolution: 2→20.4 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.919 / SU B: 8.139 / SU ML: 0.21 / Cross valid method: THROUGHOUT / ESU R: 0.263 / ESU R Free: 0.205 / 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: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 40.404 Å2
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Refinement step | Cycle: LAST / Resolution: 2→20.4 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Auth asym-ID: A / Ens-ID: 1 / Number: 1741 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 2→2.052 Å / Total num. of bins used: 20
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