X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 8
Temperature 295.0
Details PEG 4000, Isopropanol, Sodium citrate, pH 8.0, Batch, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 95.85 α = 90
b = 117.85 β = 90
c = 118.26 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC Osmic Blue confocal mirrors 2002-09-21
Diffraction Radiation
Monochromator Protocol
Confocal Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54 -- --

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
1.9 50 94.0 0.094 0.049 -- 5.5 105897 99459 2.0 2.0 14.2
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)
1.9 1.97 93.5 0.27 0.34 3.1 3.2 600

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
Direct methods and MAD 1.9 50.0 2.0 2.0 105897 99459 6438 93.9 -- 0.221 0.212 0.249 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Anisotropic
Mean Isotropic B 34.3
Anisotropic B[1][1] 8.35
Anisotropic B[1][2] -2.1
Anisotropic B[1][3] -6.25
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
o_mcbond_it 1.006
o_mcangle_it 1.604
o_scangle_it 2.179
o_scbond_it 1.441
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9171
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 710

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
CNS refinement
CCP4 data scaling version: (SCALA)
CNS phasing