X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherERYTHRINA CORALLODENDRON LECTIN

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 DETECTORSIEMENS1992-10-16
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