X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 295.0
Details 20 % saturated ammonium sulfate, 100mM NaHepes with protein solution (10mg/ml in 150mM NaCl, 10mM NaHepes, pH 8.0, 1mM DTT and 0.5mM EDTA) , pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.97 α = 90
b = 74.97 β = 90
c = 319.12 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRUKER -- 1999-07-03
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 0.9782, 0.9778, 0.9537 APS 17-ID

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
2.2 20 94.0 0.059 -- -- 3.2 30031 30031 0.0 0.0 28.0
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)
2.2 2.28 74.6 0.351 -- -- 1.6 --

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 2.2 20.0 2.0 2.0 25465 24873 1446 -- -- -- 0.186 0.255 random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.8
c_bond_d 0.017
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3589
Nucleic Acid Atoms 0
Heterogen Atoms 54
Solvent Atoms 237

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
SHELX, SOLVE, MLPHARE, DM Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
DM model building
Mlphare model building
Solve model building
Shelx model building