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_mcangle_it 1.964
c_scbond_it 2.555
c_mcbond_it 1.464
c_scangle_it 3.149
c_angle_deg 1.34939
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

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHELXS phasing
CNS refinement