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- PDB-8r56: Crystal structure of GH31 family Sulfoquinovosidase BmSQase in co... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8r56 | ||||||
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Title | Crystal structure of GH31 family Sulfoquinovosidase BmSQase in covalent complex with SQ-aziridine (SQZ) | ||||||
![]() | Glycosyl hydrolase, family 31 | ||||||
![]() | HYDROLASE / Glycoside hydrolase / CAZy family 31 / sulfoquinovose / activity-based probe | ||||||
Function / homology | ![]() Hydrolases; Glycosylases; Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds / hydrolase activity, hydrolyzing O-glycosyl compounds / carbohydrate binding / carbohydrate metabolic process Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sharma, M. / Davies, G.J. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Detection of Sulfoquinovosidase Activity in Cell Lysates Using Activity-Based Probes. Authors: Li, Z. / Pickles, I.B. / Sharma, M. / Melling, B. / Pallasdies, L. / Codee, J.D.C. / Williams, S.J. / Overkleeft, H.S. / Davies, G.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 | ![]() | 539.6 KB | Display | ![]() |
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PDB format | ![]() | 438 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.6 MB | Display | |
Data in XML | ![]() | 93.6 KB | Display | |
Data in CIF | ![]() | 131 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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: 80491.523 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | ChemComp-Y2W / [( Mass: 241.262 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C7H15NO6S / Feature type: SUBJECT OF INVESTIGATION #3: Chemical | ChemComp-K / #4: 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: 2.22 Å3/Da / Density % sol: 44.68 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion Details: A crystal of BmSQase was grown using a 30 mg mL-1 protein solution in buffer C, 0.15 uL protein. 0.15 uL mother liquor, the latter comprising 0.2 M KSCN and 20% w/v PEG (polyethylene glycol) ...Details: A crystal of BmSQase was grown using a 30 mg mL-1 protein solution in buffer C, 0.15 uL protein. 0.15 uL mother liquor, the latter comprising 0.2 M KSCN and 20% w/v PEG (polyethylene glycol) 3350 in 0.1 M Bis-TRIS propane buffer pH 7.5. A stock solution of 1 was prepared at 10 mM in mother liquor. Crystals were soaked for 5 min with 0.3 ul of 1 to a final concentration of 3 mM. |
-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: Sep 15, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97624 Å / Relative weight: 1 |
Reflection | Resolution: 2.45→74.99 Å / Num. obs: 102876 / % possible obs: 99.9 % / Redundancy: 7.2 % / CC1/2: 0.986 / Rmerge(I) obs: 0.197 / Rpim(I) all: 0.08 / Rrim(I) all: 0.212 / Χ2: 1.11 / Net I/σ(I): 9.3 / Num. measured all: 737059 |
Reflection shell | Resolution: 2.45→2.49 Å / % possible obs: 100 % / Redundancy: 7 % / Rmerge(I) obs: 1.174 / Num. measured all: 36181 / Num. unique obs: 5135 / CC1/2: 0.637 / Rpim(I) all: 0.474 / Rrim(I) all: 1.267 / Χ2: 1.09 / Net I/σ(I) obs: 2.2 |
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Processing
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Refinement | Method to determine structure: ![]()
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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 mean: 29.234 Å2
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Refinement step | Cycle: 1 / Resolution: 2.45→62.55 Å
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Refine LS restraints |
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