+Open data
-Basic information
Entry | Database: PDB / ID: 8b9w | ||||||
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Title | Cysteine Synthase from Trypanosoma theileri with PLP bound | ||||||
Components | Putative cysteine synthase | ||||||
Keywords | TRANSFERASE / Amino acid synthesis / Pyridoxal 5-phosphate | ||||||
Function / homology | Cysteine synthase CysK / Cysteine synthase / cysteine synthase activity / cysteine biosynthetic process from serine / Pyridoxal-phosphate dependent enzyme / Tryptophan synthase beta subunit-like PLP-dependent enzyme / Pyridoxal-phosphate dependent enzyme / PYRIDOXAL-5'-PHOSPHATE / Putative cysteine synthase Function and homology information | ||||||
Biological species | Trypanosoma theileri (eukaryote) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.75 Å | ||||||
Authors | Sowerby, K.V. / Pohl, E. | ||||||
Funding support | United Kingdom, 1items
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Citation | Journal: Acta Crystallogr D Struct Biol / Year: 2023 Title: Cysteine synthase: multiple structures of a key enzyme in cysteine synthesis and a potential drug target for Chagas disease and leishmaniasis. Authors: Sowerby, K. / Freitag-Pohl, S. / Murillo, A.M. / Silber, A.M. / Pohl, E. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8b9w.cif.gz | 259.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8b9w.ent.gz | 204 KB | Display | PDB format |
PDBx/mmJSON format | 8b9w.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b9/8b9w ftp://data.pdbj.org/pub/pdb/validation_reports/b9/8b9w | HTTPS FTP |
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-Related structure data
Related structure data | 8b9mC 8b9yC 4airS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: GLU / Beg label comp-ID: GLU / End auth comp-ID: SER / End label comp-ID: SER / Refine code: 1 / Auth asym-ID: A / Label asym-ID: A / Auth seq-ID: 24 - 349 / Label seq-ID: 24 - 349
NCS ensembles : (Details: Local NCS retraints between domains: 1 2) |
-Components
#1: Protein | Mass: 37779.277 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Trypanosoma theileri (eukaryote) / Gene: TM35_000064350 / Production host: Escherichia coli (E. coli) / References: UniProt: A0A1X0P4R1 #2: Chemical | #3: Chemical | ChemComp-GOL / #4: Chemical | ChemComp-CL / | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
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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: 3.77 Å3/Da / Density % sol: 67.35 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / Details: Ammonium sulfate, Sodium cacodylate |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I24 / Wavelength: 0.9762 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Jul 19, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9762 Å / Relative weight: 1 |
Reflection | Resolution: 2.75→76.47 Å / Num. obs: 28493 / % possible obs: 100 % / Redundancy: 56.3 % / CC1/2: 0.997 / Net I/σ(I): 23.5 |
Reflection shell | Resolution: 2.75→2.8 Å / Num. unique obs: 1434 / CC1/2: 0.962 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4AIR Resolution: 2.75→76.466 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.942 / SU B: 9.881 / SU ML: 0.189 / Cross valid method: FREE R-VALUE / ESU R: 0.357 / ESU R Free: 0.253 Details: Hydrogens have been added in their 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 BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 65.938 Å2
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Refinement step | Cycle: LAST / Resolution: 2.75→76.466 Å
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Refine LS restraints |
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Refine LS restraints NCS |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20 / % reflection obs: 100 %
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