X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 295.0
Details ammonium sulfate, p-dioxane, 2-(N-morpholino)-ethane sulfonic acid, pH 6.5, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.08 α = 90
b = 68.08 β = 90
c = 102.52 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
2 90
3 90
4 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-26
CCD ADSC QUANTUM 4 -- 1999-06-26
CCD ADSC QUANTUM 4 -- 1999-06-26
CCD ADSC QUANTUM 4 -- 1999-06-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2
SYNCHROTRON SSRL BEAMLINE BL9-2 -- SSRL BL9-2

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
2.3 50 99.3 0.055 -- -- 6.7 11218 11218 0.0 0.0 52.3
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)
2.3 2.34 99.8 0.277 -- -- 6.7 550

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
-- 2.3 500.0 0.0 0.0 20358 20358 1506 99.5 0.228 0.228 0.225 0.27 Approximately 7.5% of the data were randomly selected for the R-free test set.
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.53
c_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1692
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 70

Software

Computing
Computing Package Purpose
BLU-ICE Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
MLPHARE model building