X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.15
Details Ammonium Sulfate, Sodium Formate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.15K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.49 α = 90
b = 97 β = 90
c = 108.55 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD Double Crystal Monochromator 2006-07-12
Diffraction Radiation
Monochromator Protocol
SI(111) MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-BM 1.00 APS 22-BM

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
1.65 29.66 90.48 0.083 -- -- 8.9 44572 40329 3.0 3.0 17.5
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)
1.65 1.71 94.4 -- -- -- -- --

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
MOLECULAR REPLACEMENT 1.65 29.66 -- 2.0 44572 40329 2005 -- -- -- 0.232 0.258 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.65 1.71 5451 290 -- 0.261 0.272 0.016 --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model CNS
Mean Isotropic B 19.7
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 26.1
c_improper_angle_d 1.14
c_bond_d 0.014
c_angle_deg 1.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2260
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 229

Software

Software
Software Name Purpose
CNS refinement
HKL-2000 data reduction
HKL-2000 data scaling
CNS phasing