+Open data
-Basic information
Entry | Database: PDB / ID: 7a11 | ||||||
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Title | LppS with covalent adduct derived from 1E | ||||||
Components | L,D-transpeptidase 2 | ||||||
Keywords | LIGASE / Transpeptidase / cell wall / peptidoglycan / antibiotic / Beta-lactam / Covalent inhibitor / Mycobacterium tuberculosis | ||||||
Function / homology | Function and homology information peptidoglycan-protein cross-linking / peptidoglycan L,D-transpeptidase activity / Transferases; Acyltransferases; Aminoacyltransferases / acyltransferase activity / cell wall organization / regulation of cell shape / metal ion binding / plasma membrane Similarity search - Function | ||||||
Biological species | Mycobacterium tuberculosis (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.65 Å | ||||||
Authors | Schnell, R. / Steiner, E.M. | ||||||
Funding support | Sweden, 1items
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Citation | Journal: Cell Chem Biol / Year: 2021 Title: N-Thio-beta-lactams targeting L,D-transpeptidase-2, with activity against drug-resistant strains of Mycobacterium tuberculosis. Authors: Martelli, G. / Pessatti, T.B. / Steiner, E.M. / Cirillo, M. / Caso, C. / Bisognin, F. / Landreh, M. / Monte, P.D. / Giacomini, D. / Schnell, R. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7a11.cif.gz | 125.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7a11.ent.gz | 95.7 KB | Display | PDB format |
PDBx/mmJSON format | 7a11.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7a11_validation.pdf.gz | 284.9 KB | Display | wwPDB validaton report |
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Full document | 7a11_full_validation.pdf.gz | 288.6 KB | Display | |
Data in XML | 7a11_validation.xml.gz | 11.7 KB | Display | |
Data in CIF | 7a11_validation.cif.gz | 21.3 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/a1/7a11 ftp://data.pdbj.org/pub/pdb/validation_reports/a1/7a11 | HTTPS FTP |
-Related structure data
Related structure data | 7a0zC 7a10C 7a1cC 7a1eC 5lbgS 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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2 |
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Unit cell |
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-Components
#1: Protein | Mass: 28219.289 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: The construct used here contains two domains: domain-B (Ig-like) and domain-C (catalytic transpeptidase domain), residue range 149-408 of the full length protein. Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria) Strain: ATCC 25618 / H37Rv / Gene: ldtB, lppS, Rv2518c, RVBD_2518c, P425_02624 / Plasmid: pNIC28-Bsa4 Details (production host): N-terminal His6-tag, removable by TEV cleavage Production host: Escherichia coli BL21(DE3) (bacteria) References: UniProt: I6Y9J2, Transferases; Acyltransferases; Aminoacyltransferases #2: Chemical | ChemComp-XL3 / | #3: Chemical | ChemComp-ACT / #4: Water | ChemComp-HOH / | Has ligand of interest | Y | Has protein modification | 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: 2.09 Å3/Da / Density % sol: 41.02 % / Description: rod |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 4.25 Details: Well solution: 0.1 M Na-Citrate pH 4.25 / 17.5% PEG 6K JM12 was added to the soaking solution at 4 mM concentration. In the soaking drop, Citrate is replaced by Acetate (0.3 M) 150 mM NaCl 0. ...Details: Well solution: 0.1 M Na-Citrate pH 4.25 / 17.5% PEG 6K JM12 was added to the soaking solution at 4 mM concentration. In the soaking drop, Citrate is replaced by Acetate (0.3 M) 150 mM NaCl 0.1 M Bis-Tris pH 6.2 0.3 M Na-Acetate pH 5.2 25% PEG 6K PEG 6K INCREASED to 25% FOR CRYO-PROTECTION |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: MAX IV / Beamline: BioMAX / Wavelength: 0.82656 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Mar 27, 2019 / Details: mirrors (VFM, HFM) |
Radiation | Monochromator: Si(111) double crystal monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.82656 Å / Relative weight: 1 |
Reflection | Resolution: 1.65→39.73 Å / Num. obs: 55802 / % possible obs: 100 % / Observed criterion σ(I): 1.8 / Redundancy: 7 % / Biso Wilson estimate: 21.6 Å2 / Rmerge(I) obs: 0.059 / Net I/σ(I): 14.2 |
Reflection shell | Resolution: 1.65→1.68 Å / Rmerge(I) obs: 0.931 / Mean I/σ(I) obs: 1.8 / Num. unique obs: 2746 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 5LBG Resolution: 1.65→38 Å / Cor.coef. Fo:Fc: 0.973 / Cor.coef. Fo:Fc free: 0.955 / SU B: 2.261 / SU ML: 0.075 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.1 / ESU R Free: 0.102 / 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: 84.86 Å2 / Biso mean: 27.62 Å2 / Biso min: 12.09 Å2
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Refinement step | Cycle: final / Resolution: 1.65→38 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.65→1.69 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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