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Yorodumi- PDB-7lov: Crystal structure of Clostridium difficile Toxin B (TcdB) glucosy... -
+Open data
-Basic information
Entry | Database: PDB / ID: 7lov | ||||||
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Title | Crystal structure of Clostridium difficile Toxin B (TcdB) glucosyltransferase in complex with UDP and noeuromycin | ||||||
Components | Toxin B | ||||||
Keywords | TRANSFERASE/Inhibitor / inhibitors / TcdB / toxin / Kinetic isotope effects / KIEs / drug design / TRANSFERASE / TRANSFERASE-Inhibitor complex | ||||||
Function / homology | Function and homology information glucosyltransferase activity / host cell cytosol / Transferases; Glycosyltransferases; Hexosyltransferases / cysteine-type peptidase activity / host cell endosome membrane / toxin activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / lipid binding / host cell plasma membrane / proteolysis ...glucosyltransferase activity / host cell cytosol / Transferases; Glycosyltransferases; Hexosyltransferases / cysteine-type peptidase activity / host cell endosome membrane / toxin activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / lipid binding / host cell plasma membrane / proteolysis / extracellular region / membrane / metal ion binding Similarity search - Function | ||||||
Biological species | Clostridioides difficile (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å | ||||||
Authors | Harijan, R.K. / Paparella, A.S. / Aboulache, B.L. / Bonanno, J.B. / Almo, S.C. / Schramm, V.L. | ||||||
Citation | Journal: Nat Commun / Year: 2021 Title: Inhibition of Clostridium difficile TcdA and TcdB toxins with transition state analogues. Authors: Paparella, A.S. / Aboulache, B.L. / Harijan, R.K. / Potts, K.S. / Tyler, P.C. / Schramm, V.L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7lov.cif.gz | 233.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7lov.ent.gz | 185.5 KB | Display | PDB format |
PDBx/mmJSON format | 7lov.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/lo/7lov ftp://data.pdbj.org/pub/pdb/validation_reports/lo/7lov | HTTPS FTP |
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-Related structure data
Related structure data | 7louC 5uqmS 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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2 |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 0 / Ens-ID: 1 / Beg auth comp-ID: SER / Beg label comp-ID: SER / End auth comp-ID: TYR / End label comp-ID: TYR / Refine code: 0 / Auth seq-ID: 2 - 538 / Label seq-ID: 3 - 539
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-Components
-Protein , 1 types, 2 molecules AB
#1: Protein | Mass: 64313.836 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Clostridioides difficile (bacteria) / Gene: tcdB, toxB / Production host: Escherichia coli (E. coli) References: UniProt: P18177, Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases |
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-Non-polymers , 5 types, 234 molecules
#2: Chemical | #3: Chemical | #4: Chemical | ChemComp-GOL / #5: Chemical | #6: Water | ChemComp-HOH / | |
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-Details
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: 2.7 Å3/Da / Density % sol: 55.66 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.6 Details: 85 mM Sodium Citrate pH 5.6, 170 mM Ammonium Acetate, 25.5 % (w/v) PEG 4000, 15 %(v/v) Glycerol |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: NSLS-II / Beamline: 17-ID-1 / Wavelength: 0.979 Å |
Detector | Type: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Jan 23, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→28.97 Å / Num. obs: 48863 / % possible obs: 99.9 % / Redundancy: 7 % / CC1/2: 0.99 / Rmerge(I) obs: 0.27 / Net I/σ(I): 6.2 |
Reflection shell | Resolution: 2.5→2.58 Å / Redundancy: 7.1 % / Rmerge(I) obs: 1.79 / Mean I/σ(I) obs: 1.3 / Num. unique obs: 4458 / CC1/2: 0.5 / % possible all: 99.9 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 5UQM Resolution: 2.5→28.97 Å / Cor.coef. Fo:Fc: 0.94 / Cor.coef. Fo:Fc free: 0.915 / SU B: 11.792 / SU ML: 0.244 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.506 / ESU R Free: 0.279 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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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: 121.17 Å2 / Biso mean: 39.964 Å2 / Biso min: 14.5 Å2
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Refinement step | Cycle: final / Resolution: 2.5→28.97 Å
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Refine LS restraints |
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Refine LS restraints NCS | Ens-ID: 1 / Number: 18364 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.06 Å / Weight position: 0.05
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LS refinement shell | Resolution: 2.5→2.565 Å / Rfactor Rfree error: 0
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