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- PDB-7btk: E.coli beta-galactosidase (E537Q) in complex with fluorescent pro... -
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Open data
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Basic information
Entry | Database: PDB / ID: 7btk | |||||||||||||||
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Title | E.coli beta-galactosidase (E537Q) in complex with fluorescent probe KSA01 | |||||||||||||||
![]() | Beta-galactosidase | |||||||||||||||
![]() | HYDROLASE / beta_galactosidase / fluorescent probe | |||||||||||||||
Function / homology | ![]() alkali metal ion binding / lactose catabolic process / beta-galactosidase complex / beta-galactosidase / beta-galactosidase activity / carbohydrate binding / magnesium ion binding / identical protein binding Similarity search - Function | |||||||||||||||
Biological species | ![]() ![]() | |||||||||||||||
Method | ![]() ![]() ![]() | |||||||||||||||
![]() | Chen, X. / Hu, Y.L. / Liu, Q.M. / Gao, Y. / Yuan, R. / Guo, Y. | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Two-Dimensional Design Strategy to Construct Smart Fluorescent Probes for the Precise Tracking of Senescence. Authors: Gao, Y. / Hu, Y. / Liu, Q. / Li, X. / Li, X. / Kim, C.Y. / James, T.D. / Li, J. / Chen, X. / Guo, Y. | |||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 847 KB | Display | ![]() |
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PDB format | ![]() | 680.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.4 MB | Display | ![]() |
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Full document | ![]() | 1.5 MB | Display | |
Data in XML | ![]() | 152.8 KB | Display | |
Data in CIF | ![]() | 212.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7brsC ![]() 6kuzS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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3 | ![]()
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4 | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Beg auth comp-ID: ILE / Beg label comp-ID: ILE / Refine code: _
NCS ensembles :
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Components
-Protein , 1 types, 4 molecules ABCD
#1: Protein | Mass: 116688.547 Da / Num. of mol.: 4 / Mutation: E537Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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-Non-polymers , 6 types, 1181 molecules ![](data/chem/img/F6L.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/DMS.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/DMS.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-F6L / #3: Chemical | ChemComp-MG / #4: Chemical | ChemComp-NA / #5: Chemical | ChemComp-DMS / #6: Chemical | ChemComp-GOL / | #7: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.78 Å3/Da / Density % sol: 55.71 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion Details: 100 mM Bis-Tris, pH = 5.9, 200 mM NaCl, 200 mM MgCl2, 10% PEG8000, 10% glycerol, 0.1 M guanidine hydrochloride and 10 mM DTT |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Jan 13, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9793 Å / Relative weight: 1 |
Reflection | Resolution: 2.7→19.87 Å / Num. obs: 140397 / % possible obs: 99.6 % / Redundancy: 6.8 % / CC1/2: 0.991 / Rmerge(I) obs: 0.164 / Rpim(I) all: 0.068 / Rrim(I) all: 0.178 / Net I/σ(I): 9.5 |
Reflection shell | Resolution: 2.7→2.75 Å / Redundancy: 7.1 % / Rmerge(I) obs: 0.737 / Mean I/σ(I) obs: 3.4 / Num. unique obs: 6952 / CC1/2: 0.838 / Rpim(I) all: 0.423 / Rrim(I) all: 0.797 / % possible all: 99.5 |
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Processing
Software |
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Refinement | Method to determine structure: ![]() Starting model: 6KUZ Resolution: 2.7→19.87 Å / Cor.coef. Fo:Fc: 0.913 / Cor.coef. Fo:Fc free: 0.903 / SU B: 11.958 / SU ML: 0.243 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R Free: 0.324 / 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: 162.07 Å2 / Biso mean: 35.665 Å2 / Biso min: 0.5 Å2
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Refinement step | Cycle: final / Resolution: 2.7→19.87 Å
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Refine LS restraints |
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Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05
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LS refinement shell | Resolution: 2.7→2.77 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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