X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 285.0
Details 20 % PEG400, 50 mM potassium chloride, 20 mM potassium cacodylate, 50 mM sodium cacodylate, 100 mM lithium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.87 α = 90
b = 50.87 β = 90
c = 52.46 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
PIXEL PSI PILATUS 6M -- 2011-04-16
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I04-1 0.91730 Diamond I04-1

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
2.17 26.23 99.5 0.033 -- -- 9.5 4385 4385 2.0 2.0 58.898
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)
2.17 2.23 100.0 0.59 -- 3.5 9.7 324

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 2.302 10.3 -- -- 3467 3467 161 100.0 0.25989 0.25989 0.25839 0.28828 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 2.302 2.359 -- 11 240 0.404 0.481 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.257
Anisotropic B[1][1] 0.01
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.01
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_bond_refined_d 0.007
r_scangle_it 2.884
r_chiral_restr 0.06
r_gen_planes_refined 0.011
r_angle_refined_deg 1.048
r_scbond_it 1.831
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 447
Heterogen Atoms 65
Solvent Atoms 29

Software

Software
Software Name Purpose
GDA data collection
PHASER phasing
REFMAC refinement version: 5.5.0072
XDS data reduction
SCALA data scaling