X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapour Diffusion + Soaking
pH 7
Temperature 293.0
Details ammonium sulfate, PEG 200, Tris or Hepes buffer, pH 7.0, vapour diffusion + soaking, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.24 α = 90
b = 59.4 β = 90
c = 72.23 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH Three-segment Pt-coated toroidal mirror 2000-12-05
Diffraction Radiation
Monochromator Protocol
Double crystal (Si111,Si220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R 1.00 ELETTRA 5.2R

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
1.74 15 99.9 0.071 -- -- 5.5 21456 21456 -- -- 18.4
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)
1.74 1.77 98.6 0.329 -- 3.8 -- 1057

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
fourier difference 1.74 15.0 -- -- 21425 21425 1098 99.8 -- -- 0.19 0.24 RANDOM
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1692
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 179

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
SCALEPACK data reduction
REFMAC refinement
DENZO data collection
REFMAC model building