X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.2M AMMONIUM SULPHATE, 3% PEG400, PEG400, 0.001M FECL2, 0.1M HEPES PH7.5, VAPOR DIFFUSION, SITTING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.72 α = 90
b = 86.72 β = 90
c = 147.23 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
PIXEL DECTRIS PILATUS 6M MIRRORS 2011-12-03
Diffraction Radiation
Monochromator Protocol
SI 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I03 -- Diamond I03

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
2.45 56.59 99.3 0.09 -- -- 7.1 -- 21369 -- 2.0 54.5
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)
2.45 2.58 100.0 0.8 -- 2.2 7.4 --

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 2.45 56.59 -- 2.0 -- 21369 1092 99.3 -- 0.2009 0.2009 0.2343 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 2.45 2.54 -- 311 3031 0.308 0.33 0.019 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 60.0
Anisotropic B[1][1] -4.68
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -4.68
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 9.36
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.011
c_improper_angle_d 1.04
c_angle_deg 1.39
c_dihedral_angle_d 24.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.35
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2759
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 123

Software

Software
Software Name Purpose
CNS refinement version: 1.3
XDS data reduction
SCALA data scaling
PHASER phasing