X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Temperature 277.0
Details 2 M ammonium sulphate, 100 mM sodium acetate, 3% (w/v) PEG4000, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.5 α = 90
b = 84.23 β = 90
c = 91.02 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 291
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-06-02
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A

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
2.05 10 96.0 0.092 -- -- 2.6 28510 28410 0.0 -3.0 31.0
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)
2.05 2.1 91.8 0.29 -- 4.7 2.3 2253

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
-- 2.05 10.0 -3.0 0.0 28510 28410 2302 93.5 0.232 0.232 0.232 0.279 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 2.05 2.1 -- -- -- 0.334 0.36 -- 91.8
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.4
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_improper_angle_d 0.8
c_angle_deg 1.5
c_dihedral_angle_d 25.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3348
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 152

Software

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