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- PDB-8a1j: Crystal structure of the transpeptidase LdtMt2 from Mycobacterium... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8a1j | ||||||
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Title | Crystal structure of the transpeptidase LdtMt2 from Mycobacterium tuberculosis in complex with maleimide analogue 3 | ||||||
![]() | L,D-transpeptidase 2 | ||||||
![]() | ANTIMICROBIAL PROTEIN / L / D-transpeptidase / LdtMt2 / inhibitor / covalent | ||||||
Function / homology | ![]() peptidoglycan-based cell wall biogenesis / peptidoglycan-protein cross-linking / peptidoglycan metabolic process / peptidoglycan L,D-transpeptidase activity / Transferases; Acyltransferases; Aminoacyltransferases / acyltransferase activity / peptidoglycan-based cell wall / cell wall organization / regulation of cell shape / extracellular region ...peptidoglycan-based cell wall biogenesis / peptidoglycan-protein cross-linking / peptidoglycan metabolic process / peptidoglycan L,D-transpeptidase activity / Transferases; Acyltransferases; Aminoacyltransferases / acyltransferase activity / peptidoglycan-based cell wall / cell wall organization / regulation of cell shape / extracellular region / metal ion binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | de Munnik, M. / Lang, P.A. / Brem, J. / Schofield, C.J. | ||||||
Funding support | ![]()
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![]() | ![]() Title: High-throughput screen with the l,d-transpeptidase Ldt Mt2 of Mycobacterium tuberculosis reveals novel classes of covalently reacting inhibitors. Authors: de Munnik, M. / Lang, P.A. / De Dios Anton, F. / Cacho, M. / Bates, R.H. / Brem, J. / Rodriguez Miquel, B. / Schofield, C.J. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 283.4 KB | Display | ![]() |
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PDB format | ![]() | 226.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1 MB | Display | ![]() |
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Full document | ![]() | 1 MB | Display | |
Data in XML | ![]() | 29.7 KB | Display | |
Data in CIF | ![]() | 42.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8a1kC ![]() 8a1lC ![]() 8a1mC ![]() 8a1nC ![]() 8a1oC ![]() 8ahoC ![]() 6rrmS S: Starting model for refinement C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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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: 38009.145 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: O53223, Transferases; Acyltransferases; Aminoacyltransferases #2: Chemical | ChemComp-DMS / | #3: Chemical | ChemComp-EDO / #4: Chemical | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.85 Å3/Da / Density % sol: 56.77 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / Details: 0.2 M Ammonium nitrate, 20% PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | ||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||
Detector | Type: DECTRIS EIGER2 XE 16M / Detector: PIXEL / Date: Jul 2, 2020 | ||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9763 Å / Relative weight: 1 | ||||||||||||||||||||||||
Reflection | Resolution: 2.54→47.01 Å / Num. obs: 27561 / % possible obs: 97.8 % / Redundancy: 6.8 % / CC1/2: 0.987 / Rmerge(I) obs: 0.241 / Rrim(I) all: 0.262 / Net I/σ(I): 7.4 | ||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Phasing
Phasing | Method: ![]() | ||||||
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Phasing MR |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6RRM Resolution: 2.55→41.62 Å / SU ML: 0.44 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 34.38 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 118.69 Å2 / Biso mean: 52.2001 Å2 / Biso min: 26.45 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.55→41.62 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 9
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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