X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 298.0
Details 100mM Tris-HCl pH 7.0, 2.0 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K Crystals were soaked in 200mM NaCN at pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 144.9 α = 90
b = 144.9 β = 90
c = 144.9 γ = 90
Symmetry
Space Group I 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS HI-STAR -- 1999-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.15 20 98.2 0.087 -- -- 4.6 126684 27540 0.0 1.0 --
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)
2.15 2.2 90.6 0.305 -- -- 2.2 --

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
-- 2.15 20.0 0.0 0.0 27572 24037 1176 87.2 0.186 0.186 0.186 0.241 5% of reflections
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0057
c_angle_deg 1.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3528
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 186

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building