X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details 100mM Tris, 100mM ammonium sulfate, 30% PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.04 α = 90
b = 78.04 β = 90
c = 232.84 γ = 120
Symmetry
Space Group H 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1998-11-25
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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 10 99.0 0.98 -- -- 5.9 35800 35426 1.0 1.0 20.3
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)
2.0 2.1 99.0 0.172 -- -- 3.7 --

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
-- 2.0 10.0 0.0 0.0 35444 35372 1752 99.0 0.207 0.207 0.205 0.242 Random
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 22.04
c_angle_deg 1.21
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3924
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 182

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building