X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 298.0
Details 3% MPD, 5% Isopropanol, 35 mM Magnesium chloride, 30 mM Potassium chloride and 500 mM Sodium cacodylate, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.09 α = 90
b = 97.48 β = 90
c = 100.97 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 -- 2005-12-21
Diffraction Radiation
Monochromator Protocol
Si 111 Channel SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97980 APS 19-ID

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 50 99.8 -- 0.081 -- 8.7 45734 45734 0.0 0.0 --
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 2.28 99.6 -- 0.822 1.8 6.7 2805

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
SAD 2.4 19.94 -- 1.5 40277 40024 2034 99.4 0.229 0.226 0.226 0.26 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 2.4 2.55 -- 295 6369 0.281 0.342 0.02 98.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 53.2
Anisotropic B[1][1] 1.78
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.41
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.19
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.77
c_bond_d 0.009
c_dihedral_angle_d 18.9
c_scangle_it 2.51
c_angle_deg 1.1
c_mcbond_it 1.23
c_scbond_it 1.65
c_mcangle_it 2.16
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3099
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 83

Software

Software
Software Name Purpose
CNS refinement version: 1.1
SBC-Collect data collection
HKL-2000 data reduction
HKL-2000 data scaling
SHELXCD phasing
SHELXD phasing
SHELXE model building
MLPHARE phasing