X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7CRYSTALS WERE GROWN BY SITTING DROP METHOD IN WHICH 25 MICROLITERS OF AN 80 MG/ML PROTEIN SOLUTION IN 0.02M PHOSPHATE BUFFER AT PH 7.0, CONTAINING 0.15M SODIUM CHLORIDE, 0.025 (W/V) SODIUM NITRITE, 20 TIMES MOLAR EXCESS OF METHYL-ALPHA-D-GALACTOSE AND 6 TO 7.5% (W/V) PEG8000 WAS EQUILIBRATED AT 20 DEGREE CENTIGRADE WITH A RESERVOIR SOLUTION OF 40% PEG8000 IN THE SAME BUFFER., vapor diffusion - sitting drop
Crystal Properties
Matthews coefficientSolvent content
2.2946.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 157.585α = 90
b = 91.908β = 90
c = 73.283γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293AREA DETECTORSIEMENS1992-10-26
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1

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
12.4312.6377.30.0642.242983726.01
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)
12.492.65400.2151.8

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 DIFFRACTIONFREE RERYTHRINA CORALLODENDRON LECTIN (FOR MOLECULAR REPLACEMENT)2.510029837137377.30.1870.1870.259RANDOM21.7
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.3
x_angle_deg1.8
x_improper_angle_d1.5
x_bond_d0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.3
x_angle_deg1.8
x_improper_angle_d1.5
x_bond_d0.01
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7287
Nucleic Acid Atoms
Solvent Atoms546
Heterogen Atoms306

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
XENGENdata reduction
XENGENdata scaling
X-PLORphasing