X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP3.42930.9M Ammonium sulphate, Glycine buffer, pH 3.4, 0.1M galactose, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
4.5172.52

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 107.65α = 90
b = 107.65β = 90
c = 311.92γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH1998-06-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX7.21.488SRSPX7.2

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
12.940.2980.0698.82.82417524175

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTRicin (PDB 2AAI)340.221899218991117980.2010.2010.1990.24RANDOM40.8
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]
7.1612.897.16-14.31
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d26
c_scangle_it2.58
c_mcangle_it2.03
c_angle_deg1.7
c_scbond_it1.54
c_improper_angle_d1.46
c_mcbond_it1.14
c_bond_d0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3976
Nucleic Acid Atoms
Solvent Atoms47
Heterogen Atoms108

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
CCP4data scaling
AMoREphasing