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- PDB-3f43: Crystal structure of a putative anti-sigma factor antagonist (tm1... -
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Basic information
Entry | Database: PDB / ID: 3f43 | ||||||
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Title | Crystal structure of a putative anti-sigma factor antagonist (tm1081) from thermotoga maritima at 1.59 A resolution | ||||||
![]() | Putative anti-sigma factor antagonist TM1081 | ||||||
![]() | TRANSCRIPTION / Stas domain / spoiiaa-like fold / structural genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2 | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Joint Center for Structural Genomics (JCSG) | ||||||
![]() | ![]() Title: Crystal structure of Putative anti-sigma factor antagonist TM1081 (TM1081) from THERMOTOGA MARITIMA at 1.59 A resolution Authors: Joint Center for Structural Genomics (JCSG) | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 40 KB | Display | ![]() |
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PDB format | ![]() | 29.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 442.3 KB | Display | ![]() |
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Full document | ![]() | 443.3 KB | Display | |
Data in XML | ![]() | 8.4 KB | Display | |
Data in CIF | ![]() | 11.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data | |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 14637.297 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() | ||||||||
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#2: Chemical | #3: Chemical | ChemComp-1PE / | #4: Chemical | ChemComp-PEG / | #5: Water | ChemComp-HOH / | Sequence details | THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATI | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 48.68 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 5.67 Details: 38.0% polyethylene glycol 400, 0.2M magnesium chloride, 0.1M citric acid pH 5.67, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Oct 11, 2008 / Details: Adjustable focusing mirrors in K-B geometry | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Si(111) Double Crystal Monochrometer / Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength |
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Reflection | Resolution: 1.59→29.881 Å / Num. obs: 19931 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 23.628 Å2 / Rmerge(I) obs: 0.07 / Net I/σ(I): 12.05 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: ![]() |
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Processing
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Refinement | Method to determine structure: ![]() Stereochemistry target values: MAXIMUM LIKELIHOOD WITH PHASES Details: (1). HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. (2). A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN ...Details: (1). HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. (2). A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. (3). ATOM RECORDS CONTAIN RESIDUAL B FACTORS ONLY. (4). CL IONS AND PEG 400 FRAGMENTS (1PE AND PEG) FROM CRYSTALLIZATION SOLUTION WERE MODELED.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 77.55 Å2 / Biso mean: 29.405 Å2 / Biso min: 12.5 Å2
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Refinement step | Cycle: LAST / Resolution: 1.59→29.881 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.59→1.631 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Origin x: 9.4423 Å / Origin y: 25.7872 Å / Origin z: 7.1158 Å
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