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- PDB-1jn1: Structure of 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1jn1 | ||||||
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Title | Structure of 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase from Haemophilus influenzae (HI0671) | ||||||
![]() | 2C-METHYL-D-ERYTHRITOL 2,4-CYCLODIPHOSPHATE SYNTHASE | ||||||
![]() | STRUCTURAL GENOMICS / unknown function / 2C-METHYL-D-ERYTHRITOL 2 / 4-CYCLODIPHOSPHATE SYNTHASE / MECPS / isoprenoid biosynthesis / Structure 2 Function Project / S2F | ||||||
Function / homology | ![]() 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase / 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase activity / isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway / terpenoid biosynthetic process / metal ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lehmann, C. / Lim, K. / Toedt, J. / Krajewski, W. / Howard, A. / Eisenstein, E. / Herzberg, O. / Structure 2 Function Project (S2F) | ||||||
![]() | ![]() Title: Structure of 2C-methyl-D-erythrol-2,4-cyclodiphosphate synthase from Haemophilus influenzae: activation by conformational transition. Authors: Lehmann, C. / Lim, K. / Toedt, J. / Krajewski, W. / Howard, A. / Eisenstein, E. / Herzberg, O. #1: ![]() Title: Isoprenoid biosynthesis: The evolution of two ancient and distinct pathways across genomes Authors: Lange, B.M. / Rujan, T. / Martin, W. / Croteau, R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 99.5 KB | Display | ![]() |
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PDB format | ![]() | 77.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 455.4 KB | Display | ![]() |
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Full document | ![]() | 484.1 KB | Display | |
Data in XML | ![]() | 22.1 KB | Display | |
Data in CIF | ![]() | 29.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data | |
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Other databases |
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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Unit cell |
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Details | The protein is a trimer in solution. The asymmetric unit contains the homotrimer / A tetramer of trimers is formed in the crystal. The biological significance is unknown. To form a tetramer of trimers, use the following: X,Y,Z; 1-Y,1-X,1-Z; 1-X,1-Y,Z; Y,X,1-Z |
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Components
#1: Protein | Mass: 17216.682 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | ChemComp-CO / #3: Chemical | ChemComp-SO4 / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.86 Å3/Da / Density % sol: 57.02 % | |||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: 40% sat. ammonium sulfate, 0.1 MES, 15 mM CoCl2, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K | |||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | |||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Mar 30, 2001 |
Radiation | Monochromator: Cryogenically-cooled Si(111) double-crystal system Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.9→30 Å / Num. all: 13670 / Num. obs: 13670 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 18.6 % / Rmerge(I) obs: 0.053 / Net I/σ(I): 9.4 |
Reflection shell | Resolution: 2.9→3.03 Å / Rmerge(I) obs: 0.294 / % possible all: 100 |
Reflection | *PLUS Highest resolution: 2.9 Å / Lowest resolution: 29 Å / % possible obs: 100 % / Num. measured all: 399292 / Rmerge(I) obs: 0.053 |
Reflection shell | *PLUS % possible obs: 100 % / Rmerge(I) obs: 0.294 / Mean I/σ(I) obs: 9.4 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: structure from MIR data in P6(3) space group Resolution: 2.9→20 Å / Cross valid method: THROUGHOUT / σ(F): 2 / Stereochemistry target values: engh & huber
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Displacement parameters | Biso mean: 57 Å2 | ||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.9→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.9→3 Å / Rfactor Rfree: 0.387 / Rfactor Rwork: 0.294 | ||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.9 Å / σ(F): 2 / % reflection Rfree: 8 % / Rfactor Rfree: 0.29 / Rfactor Rwork: 0.198 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||
LS refinement shell | *PLUS Rfactor Rfree: 0.387 / Rfactor Rwork: 0.294 |