1V6J

peanut lectin-lactose complex crystallized in orthorhombic form at acidic pH


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6293PEG 8000, 0.05M sodium acetate buffer, 0.2M NaCl, 0.05% Sodium azide, pH 4.6, hanging drop method, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.160.03

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 128.733α = 90
b = 125.531β = 90
c = 76.05γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATEMARRESEARCHMirrorMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
12.92097.60.1517.2280742661031.6
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)
2.92.9296.50.5296.8589

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONIsomorphous replacementTHROUGHOUT2.920255072550799397.40.1610.22RANDOM31.6
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]
3.9-8.714.8
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d27
c_scangle_it11.56
c_mcangle_it8.65
c_scbond_it7.82
c_mcbond_it5.59
c_angle_deg1.8
c_improper_angle_d1.23
c_bond_d0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6976
Nucleic Acid Atoms
Solvent Atoms189
Heterogen Atoms100

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling