X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.8
Temperature 293.0
Details 0.1M CAcodylate pH 5.8, 18% PEG4000, 0.2M Lithium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.43 α = 104.54
b = 54.52 β = 100.18
c = 91.86 γ = 99.04
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-04-28
Diffraction Radiation
Monochromator Protocol
graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 0.9788 NSLS X25

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 22 90.0 0.058 -- -- 6.0 58005 53169 2.0 2.0 --
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)
2.0 2.05 86.4 0.15 -- -- 6.0 --

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 2.0 22.0 2.0 2.0 59085 55816 5419 -- -- -- 0.22 0.265 10% of data
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 2.0 2.01 215 22 -- 0.168 0.179 -- --
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.067
Anisotropic B[1][2] -0.903
Anisotropic B[1][3] -7.777
Anisotropic B[2][2] 6.12
Anisotropic B[2][3] -3.416
Anisotropic B[3][3] -6.186
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.5
x_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4401
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 447

Software

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