X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.8
Temperature 353.0
Details 0.1M Cacodylate 5.8, 18% PEG4000, 0.2M Lithium Sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 353K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.32 α = 104.9
b = 54.35 β = 101.33
c = 90.98 γ = 98.75
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 mirrors 2000-03-15
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9686 NSLS X9B

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 22 92.0 0.023 -- -- 4.0 86896 79984 2.0 2.0 20.0
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 2.25 92.0 0.15 -- -- 4.0 --

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
MOLECULAR REPLACEMENT 2.2 22.0 2.0 2.0 86896 79984 7401 92.0 -- -- 0.243 0.275 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 2.2 2.21 337 27 -- 0.287 0.378 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Anisotropic B[1][1] -0.166
Anisotropic B[1][2] -0.669
Anisotropic B[1][3] -11.957
Anisotropic B[2][2] 11.473
Anisotropic B[2][3] -4.569
Anisotropic B[3][3] -11.306
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.009
x_angle_deg 1.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4276
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 265

Software

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