X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.1
Temperature 283.0
Details ammonium phosphate, glycerol, Tris, sodium chloride, MES, EDTA, beta-mercaptoethanol , pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 283.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.92 α = 90
b = 50.92 β = 90
c = 170.87 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2004-02-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.9764 CHESS A1

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.8 20 94.5 0.051 0.051 -- 5.89 21785 20583 0.0 0.0 32.2
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.8 1.86 68.8 0.05 -- 3.3 4.98 2114

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.8 18.98 0.0 0.0 21785 20583 986 94.4 -- 0.24 0.24 0.265 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.8 1.86 -- 74 1375 0.346 0.372 0.043 68.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 40.1
Anisotropic B[1][1] 5.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.78
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.57
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_angle_deg 1.3
c_mcbond_it 1.38
c_scbond_it 2.0
c_dihedral_angle_d 23.7
c_mcangle_it 2.19
c_improper_angle_d 1.49
c_scangle_it 3.03
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.3
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1466
Nucleic Acid Atoms 230
Heterogen Atoms 0
Solvent Atoms 196

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
CNS phasing