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Open data
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Basic information
Entry | Database: PDB / ID: 5bxt | ||||||
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Title | LNBase in complex with LNB-NHAcAUS | ||||||
![]() | Lacto-N-biosidase | ||||||
![]() | HYDROLASE / TIM barrel / distal gut / Human milk oligosaccharides / Inhibitor | ||||||
Function / homology | ![]() lacto-N-biosidase / lacto-N-biosidase activity / beta-N-acetylhexosaminidase activity / N-acetyl-beta-D-galactosaminidase activity / carbohydrate metabolic process / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Ito, T. / Arakawa, T. / Fushinobu, S. | ||||||
![]() | ![]() Title: Gaining insight into the catalysis by GH20 lacto-N-biosidase using small molecule inhibitors and structural analysis Authors: Hattie, M. / Ito, T. / Debowski, A.W. / Arakawa, T. / Katayama, T. / Yamamoto, K. / Fushinobu, S. / Stubbs, K.A. #1: ![]() Title: Crystal structures of a glycoside hydrolase family 20 lacto-N-biosidase from Bifidobacterium bifidum. Authors: Ito, T. / Katayama, T. / Hattie, M. / Sakurama, H. / Wada, J. / Suzuki, R. / Ashida, H. / Wakagi, T. / Yamamoto, K. / Stubbs, K.A. / Fushinobu, S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 277 KB | Display | ![]() |
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PDB format | ![]() | 220.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 5bxpC ![]() 5bxrC ![]() 5bxsC ![]() 4h04S C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 71892.227 Da / Num. of mol.: 2 / Fragment: UNP residues 41-663 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: lnbB / Plasmid: pET28b / Production host: ![]() ![]() #2: Chemical | ChemComp-SO4 / #3: Chemical | #4: Sugar | #5: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.8 Å3/Da / Density % sol: 56.1 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.6 Details: 0.2M potassium sodium tartate tetrahydrate, 0.1M sodium citrate, 2.0M ammonium sulfate, pH 5.6 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 270 / Detector: CCD / Date: May 25, 2014 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→50 Å / Num. obs: 148686 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 7.4 % / Rmerge(I) obs: 0.086 / Net I/σ(I): 25.9 |
Reflection shell | Resolution: 1.8→1.83 Å / Redundancy: 7.4 % / Rmerge(I) obs: 0.457 / Mean I/σ(I) obs: 4.26 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4H04 Resolution: 1.8→30.42 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.937 / SU B: 2.308 / SU ML: 0.072 / Cross valid method: THROUGHOUT / ESU R: 0.109 / ESU R Free: 0.107 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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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: 18.24 Å2
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Refinement step | Cycle: LAST / Resolution: 1.8→30.42 Å
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Refine LS restraints |
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