X-RAY DIFFRACTION Experimental Data & Validation


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Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 290.0
Details 13%PEG20000, 0.1M Hepes, 0.01M L-cysteine, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.98 α = 81.77
b = 85.81 β = 81.43
c = 122.14 γ = 89.94
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 mirrors 2004-07-03
Diffraction Radiation
Monochromator Protocol
mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.9330 ESRF ID14-2

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
1.8 45.8 -- -- 0.063 -- 1.9 225077 225077 -- 1.0 14.1
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)
1.8 1.9 -- -- 0.279 3.08 1.9 33321

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
FOURIER SYNTHESIS 1.8 45.85 0.0 0.0 225077 225058 11212 95.3 -- 0.198 0.198 0.238 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 1.8 1.91 -- 1860 35265 0.267 0.31 0.007 94.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.4
Anisotropic B[1][1] -0.44
Anisotropic B[1][2] 0.18
Anisotropic B[1][3] 2.0
Anisotropic B[2][2] -2.95
Anisotropic B[2][3] -0.5
Anisotropic B[3][3] 3.38
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.96
c_scbond_it 2.14
c_mcangle_it 1.93
c_mcbond_it 1.38
c_improper_angle_d 1.14
c_dihedral_angle_d 24.2
c_angle_deg 1.6
c_bond_d 0.015
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17902
Nucleic Acid Atoms 0
Heterogen Atoms 52
Solvent Atoms 3191

Software

Computing
Computing Package Purpose
MX-cube Data Collection
XDS Data Reduction (intensity integration)
XSCALE Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement