X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 9
Temperature 298.0
Details Ammonium Sulfate, Bis-Tris-Propane, detergent C12E9 at pH 9.0, VAPOR DIFFUSION, SITTING DROP at 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 104.2 α = 90
b = 50.44 β = 109.04
c = 74.77 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-09-15
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 0.980, 0.980, 0.918 ESRF ID14-1

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
2.65 10 99.1 0.083 -- -- 3.4 10554 10554 -- -- 60.0
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)
2.65 2.71 99.9 0.292 -- 3.6 -- --

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 2.65 10.0 -- 0.0 10554 10554 529 -- -- -- 0.235 0.277 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 45.3929
Anisotropic B[1][1] -7.464
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -4.338
Anisotropic B[2][2] 0.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.645
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007321
c_mcbond_it 1.464
c_scbond_it 2.555
c_angle_deg 1.34939
c_scangle_it 3.149
c_mcangle_it 1.964
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2410
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 53

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELXS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
SCALEPACK data reduction
DENZO data collection
SHELXS model building