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Yorodumi- PDB-6ojs: Crystal structure of TS-DHFR from Cryptosporidium hominis in comp... -
+Open data
-Basic information
Entry | Database: PDB / ID: 6ojs | |||||||||
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Title | Crystal structure of TS-DHFR from Cryptosporidium hominis in complex with NADPH, FdUMP, MTX and 2-amino-4-oxo-4,7-dihydro-pyrrolo[2,3-d]pyrimidine-methyl-phenyl-D-glutamic acid | |||||||||
Components | Bifunctional dihydrofolate reductase-thymidylate synthase | |||||||||
Keywords | TRANSFERASE/TRANSFERASE INHIBITOR / Inhibitor / TS / TS-DHFR / TRANSFERASE / 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 Similarity search - Function | |||||||||
Biological species | Cryptosporidium hominis (eukaryote) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.214 Å | |||||||||
Authors | Czyzyk, D.J. / Anderson, K.S. / Jorgensen, W.L. / Valhondo, M. | |||||||||
Funding support | United States, 2items
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Citation | Journal: Febs Lett. / Year: 2019 Title: Understanding the structural basis of species selective, stereospecific inhibition for Cryptosporidium and human thymidylate synthase. Authors: Czyzyk, D.J. / Valhondo, M. / Jorgensen, W.L. / Anderson, K.S. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6ojs.cif.gz | 520.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6ojs.ent.gz | 424.7 KB | Display | PDB format |
PDBx/mmJSON format | 6ojs.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/oj/6ojs ftp://data.pdbj.org/pub/pdb/validation_reports/oj/6ojs | HTTPS FTP |
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-Related structure data
Related structure data | 6ojuC 6ojvC 4q0dS 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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2 |
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3 |
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Unit cell |
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-Components
#1: Protein | Mass: 60262.520 Da / Num. of mol.: 5 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Cryptosporidium hominis (eukaryote) / Gene: CHUDEA4_4460 / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / Variant (production host): PA-414 / References: UniProt: A0A0S4TER9 #2: Chemical | ChemComp-NDP / #3: Chemical | ChemComp-UFP / #4: Chemical | ChemComp-D96 / #5: Chemical | ChemComp-MTX / |
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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: 4.63 Å3/Da / Density % sol: 73.5 % |
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Crystal grow | Temperature: 295.15 K / Method: vapor diffusion, hanging drop / pH: 8 Details: Well solution 22% PEG 6000, 0.2 M ammonium sulfate, 0.06 M lithium sulfate, 0.1 M Tris Drop ratio 2:1 Enzyme mix/well solution |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.97915 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 6, 2018 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97915 Å / Relative weight: 1 |
Reflection | Resolution: 3.21→51 Å / Num. obs: 85851 / % possible obs: 98.2 % / Redundancy: 6.9 % / CC1/2: 0.983 / Rsym value: 0.317 / Net I/σ(I): 4.98 |
Reflection shell | Resolution: 3.21→3.41 Å / Redundancy: 6.7 % / Mean I/σ(I) obs: 1.06 / Num. unique obs: 12774 / CC1/2: 0.616 / Rsym value: 1.734 / % possible all: 91.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4Q0D Resolution: 3.214→50.121 Å / SU ML: 0.45 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 27.19
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.214→50.121 Å
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Refine LS restraints |
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LS refinement shell |
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