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- PDB-6tow: Structure of E70A mutant of Rex8A from Paenibacillus barcinonensi... -
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Open data
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Basic information
Entry | Database: PDB / ID: 6tow | |||||||||
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Title | Structure of E70A mutant of Rex8A from Paenibacillus barcinonensis complexed with xylotetraose. | |||||||||
![]() | Reducing-end xylose-releasing exo-oligoxylanase Rex8A | |||||||||
![]() | HYDROLASE / Xylan / Exo-oligoxylanase / Xylanases / Xylooligosaccharides / Xylooligomers / Xylose / Hydrolysis / Polysaccharides / Glycan / Glycan degradation / Xylan degradation / Glycosidase / Carbohydrate metabolism. | |||||||||
Function / homology | ![]() oligosaccharide reducing-end xylanase / oligosaccharide reducing-end xylanase activity / xylan catabolic process Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Jimenez-Ortega, E. / Ramirez-Escudero, M. / Sanz-Aparicio, J. | |||||||||
![]() | ![]() Title: Structural analysis of the reducing-end xylose-releasing exo-oligoxylanase Rex8A from Paenibacillus barcinonensis BP-23 deciphers its molecular specificity. Authors: Jimenez-Ortega, E. / Valenzuela, S. / Ramirez-Escudero, M. / Pastor, F.J. / Sanz-Aparicio, 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 | ![]() | 171.8 KB | Display | ![]() |
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PDB format | ![]() | 136.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 895.9 KB | Display | ![]() |
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Full document | ![]() | 899.3 KB | Display | |
Data in XML | ![]() | 30.3 KB | Display | |
Data in CIF | ![]() | 43.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6shyC ![]() 6srdSC ![]() 6sudC ![]() 6to0C ![]() 6tppC ![]() 6trhC 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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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: _ / Ens-ID: 1 / Beg auth comp-ID: LYS / Beg label comp-ID: LYS / End auth comp-ID: ALA / End label comp-ID: ALA / Refine code: _ / Auth seq-ID: 6 - 385 / Label seq-ID: 6 - 385
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Components
#1: Protein | Mass: 44678.430 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: A0A0S2UQQ5, oligosaccharide reducing-end xylanase #2: Polysaccharide | Source method: isolated from a genetically manipulated source #3: 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: 3.27 Å3/Da / Density % sol: 62.44 % / Description: Bar |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 7.5 Details: 18% PEG 3350, 0.2M Potassium thiocyanate, 0.1M Bis-Tris propane pH 7.5. Microseeding. Co-crystallization with 50-100mM xylotetraose. |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Mar 10, 2017 / Details: KB Mirrors |
Radiation | Monochromator: Si(111) channel-cut, cryocooled / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97926 Å / Relative weight: 1 |
Reflection | Resolution: 2.05→43.98 Å / Num. obs: 72614 / % possible obs: 100 % / Redundancy: 6.6 % / CC1/2: 0.998 / Rmerge(I) obs: 0.093 / Rpim(I) all: 0.038 / Rrim(I) all: 0.1 / Net I/σ(I): 12.2 |
Reflection shell | Resolution: 2.05→2.09 Å / Redundancy: 6.7 % / Rmerge(I) obs: 0.642 / Mean I/σ(I) obs: 2.9 / Num. unique obs: 4419 / CC1/2: 0.904 / Rpim(I) all: 0.264 / Rrim(I) all: 0.695 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6SRD Resolution: 2.05→43.98 Å / Cor.coef. Fo:Fc: 0.916 / Cor.coef. Fo:Fc free: 0.903 / SU B: 4.941 / SU ML: 0.133 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.195 / ESU R Free: 0.171 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 90.69 Å2 / Biso mean: 31.885 Å2 / Biso min: 17.44 Å2
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Refinement step | Cycle: final / Resolution: 2.05→43.98 Å
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Refine LS restraints |
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Refine LS restraints NCS | Ens-ID: 1 / Number: 13925 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.07 Å / Weight position: 0.05
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LS refinement shell | Resolution: 2.05→2.103 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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