X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN SOLUTION AT 10MG/ML IN 10MM DTT, 5 MM N-OCTYL-GLUCO MIXED WITH EQUAL VOLUME OF 100 MM HEPES PH 7.0, 0.8-1.0 M SODIUM AND POTASSIUM TARTRAT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.1 α = 90
b = 56.1 β = 90
c = 135.5 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- --
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 0.9793, 0.97896, 0.973 CHESS F2

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
2.6 13 95.8 -- 0.092 -- 7.0 -- 4131 -- -- --
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)
2.6 2.7 87.9 -- 0.354 5.0 2.5 --

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
MAD 2.6 13.0 -- 2.0 -- 4146 586 97.0 -- 0.252 0.252 0.286 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 2.6 2.72 -- 59 375 0.349 0.31 -- 82.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.2
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 1.831
x_scbond_it 1.119
x_mcangle_it 2.032
x_mcbond_it 1.098
x_improper_angle_d 0.455
x_bond_d 0.004
x_angle_deg 0.833
x_dihedral_angle_d 26.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 814
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 27

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
CCP4 model building
SCALEPACK data reduction
DENZO data collection