2E53

Crystal structure of basic winged bean lectin in complex with B blood group disaccharide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.052986-7% (w/v) PEG 4000 and 5% (v/v) Isopropenol, pH 7.05, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4850.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 157.367α = 90
b = 91.093β = 90
c = 73.399γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATEMAR scanner 345 mm plateMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5481

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.43096.30.09612.34048927.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.49890.4113.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT1wbl2.429.9340450162596.20.2020.2020.24RANDOM39.2
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-8.6817.77-9.08
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d26.2
c_scangle_it3.17
c_mcangle_it2.2
c_scbond_it2.1
c_angle_deg1.5
c_mcbond_it1.28
c_improper_angle_d0.96
c_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7313
Nucleic Acid Atoms
Solvent Atoms338
Heterogen Atoms449

Software

Software
Software NamePurpose
CNSrefinement
MAR345dtbdata collection
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing