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Yorodumi- PDB-3qg2: Plasmodium falciparum DHFR-TS qradruple mutant (N51I+C59R+S108N+I... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3qg2 | ||||||
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Title | Plasmodium falciparum DHFR-TS qradruple mutant (N51I+C59R+S108N+I164L, V1/S) pyrimethamine complex | ||||||
Components | Bifunctional dihydrofolate reductase-thymidylate synthase | ||||||
Keywords | OXIDOREDUCTASE / TRANSFERASE/INHIBITOR / pyrimethamine / antifolate resistance / Plasmodium falciparum / dihydrofolate reductase / TRANSFERASE / TRANSFERASE-INHIBITOR complex | ||||||
Function / homology | Function and homology information thymidylate synthase activity / dTMP biosynthetic process / dihydrofolate reductase activity / tetrahydrofolate biosynthetic process / one-carbon metabolic process / methylation / nucleotide binding / mitochondrion / cytosol Similarity search - Function | ||||||
Biological species | Plasmodium falciparum (malaria parasite P. falciparum) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å | ||||||
Authors | Vanichtanankul, J. / Yuvaniyama, J. / Taweechai, S. / Chitnumsub, P. / Kamchonwongpaisan, S. / Yuthavong, Y. | ||||||
Citation | Journal: Acs Chem.Biol. / Year: 2011 Title: Trypanosomal dihydrofolate reductase reveals natural antifolate resistance Authors: Vanichtanankul, J. / Taweechai, S. / Yuvaniyama, J. / Vilaivan, T. / Chitnumsub, P. / Kamchonwongpaisan, S. / Yuthavong, Y. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3qg2.cif.gz | 251.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3qg2.ent.gz | 199.6 KB | Display | PDB format |
PDBx/mmJSON format | 3qg2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qg/3qg2 ftp://data.pdbj.org/pub/pdb/validation_reports/qg/3qg2 | HTTPS FTP |
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-Related structure data
Related structure data | 3qfxC 3qgtC 3rg9C 1j3jS C: citing same article (ref.) S: Starting model for refinement |
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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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-Components
#1: Protein | Mass: 71908.133 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Plasmodium falciparum (malaria parasite P. falciparum) Strain: V1/S / Gene: DHFR-TS / Plasmid: pET17b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) References: UniProt: D9N170, dihydrofolate reductase, thymidylate synthase #2: Chemical | #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | Sequence details | 1. THE QUADRUPLE MUTATIONS (N51I, C59R, S108N, I164L) OF DHFR-TS IS FOUND IN PLASMODIUM FALCIPARUM ...1. THE QUADRUPLE MUTATIONS (N51I, C59R, S108N, I164L) OF DHFR-TS IS FOUND IN PLASMODIUM | |
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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: 2.52 Å3/Da / Density % sol: 51.1 % / Mosaicity: 0.622 ° |
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Crystal grow | Temperature: 297 K / Method: microbatch / pH: 4.6 Details: 0.1mM sodium acetate, 25% (w/v) PEG 4000, 0.2M ammonium acetate, pH 4.6, microbatch, temperature 297K |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ROTATING ANODE / Type: ENRAF-NONIUS FR591 / Wavelength: 1.5418 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: Nonius Kappa CCD / Detector: CCD / Date: Sep 11, 2003 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.2→50 Å / Num. obs: 74012 / % possible obs: 99.1 % / Biso Wilson estimate: 29 Å2 / Rmerge(I) obs: 0.088 / Χ2: 1.045 / Net I/σ(I): 14 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1J3J Resolution: 2.3→49.39 Å / Rfactor Rfree error: 0.004 / Occupancy max: 1 / Occupancy min: 1 / Data cutoff high absF: 2726011 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Details: BULK SOLVENT MODEL USED
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 52.5554 Å2 / ksol: 0.4 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 90.35 Å2 / Biso mean: 41.0859 Å2 / Biso min: 13.27 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.3→49.39 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.3→2.38 Å / Rfactor Rfree error: 0.018 / Total num. of bins used: 10
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Xplor file |
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