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Yorodumi- PDB-4s2e: Phosphate ion bound Crystal structure of thymidylate kinase (aq_9... -
+Open data
-Basic information
Entry | Database: PDB / ID: 4s2e | ||||||
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Title | Phosphate ion bound Crystal structure of thymidylate kinase (aq_969) from Aquifex Aeolicus VF5 | ||||||
Components | Thymidylate kinase | ||||||
Keywords | TRANSFERASE / ATP binding / TMP binding | ||||||
Function / homology | Function and homology information dUDP biosynthetic process / dTMP kinase / thymidylate kinase activity / dTDP biosynthetic process / dTTP biosynthetic process / phosphorylation / ATP binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Aquifex aeolicus (bacteria) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.35 Å | ||||||
Authors | Biswas, A. / Jeyakanthan, J. / Sekar, K. | ||||||
Citation | Journal: Febs J. / Year: 2017 Title: Structural studies of a hyperthermophilic thymidylate kinase enzyme reveal conformational substates along the reaction coordinate. Authors: Biswas, A. / Shukla, A. / Chaudhary, S.K. / Santhosh, R. / Jeyakanthan, J. / Sekar, K. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4s2e.cif.gz | 87.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4s2e.ent.gz | 66.6 KB | Display | PDB format |
PDBx/mmJSON format | 4s2e.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/s2/4s2e ftp://data.pdbj.org/pub/pdb/validation_reports/s2/4s2e | HTTPS FTP |
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-Related structure data
Related structure data | 4s35C 5h56C 5h5bC 5h5kC 5xaiC 5xb2C 5xb3C 5xb5C 5xbhC 2pbrS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper:
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-Components
#1: Protein | Mass: 22402.961 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aquifex aeolicus (bacteria) / Strain: VF5 / Gene: aq_969, tmk / Plasmid: pET21a / Production host: Escherichia coli (E. coli) / Strain (production host): BL21-CodonPlus (DE3)-RIL / References: UniProt: O67099, dTMP kinase #2: Chemical | #3: 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: 2.44 Å3/Da / Density % sol: 49.65 % |
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Crystal grow | Temperature: 293 K / Method: evaporation / pH: 7.5 Details: 0.1 M HEPES, 10% w/v Polyethylene glycol 8,000, 8% v/v Ethylene glycol , Microbatch Underoil, pH 7.5, EVAPORATION, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: BRUKER AXS MICROSTAR / Wavelength: 1.5418 Å |
Detector | Type: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Details: Mirrors |
Radiation | Monochromator: OSMIC MIRROR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.35→40 Å / Num. all: 63136 / Num. obs: 15954 / % possible obs: 90.4 % / Redundancy: 4 % / Biso Wilson estimate: 33 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 18.5 |
Reflection shell | Resolution: 2.35→2.48 Å / Redundancy: 4 % / Rmerge(I) obs: 0.118 / Mean I/σ(I) obs: 9.6 / Num. unique all: 9345 / % possible all: 92.3 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 2PBR Resolution: 2.35→40 Å / Cor.coef. Fo:Fc: 0.936 / Cor.coef. Fo:Fc free: 0.884 / SU B: 8.253 / SU ML: 0.199 / Cross valid method: THROUGHOUT / ESU R: 0.522 / ESU R Free: 0.298 / 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 / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 32.711 Å2
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Refinement step | Cycle: LAST / Resolution: 2.35→40 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.35→2.411 Å / Total num. of bins used: 20
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