X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 294.0
Details PEG 8000, LiSO4, Mg(OAc)2, Tris-HCL, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 142.91 α = 90
b = 145.46 β = 90
c = 145.6 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9790 APS 19-ID
SYNCHROTRON NSLS BEAMLINE X25 1.050 NSLS X25

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
2.1 20 85.0 -- -- -- -- 61181 61181 -- -- 24.4

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
MAD 2.1 20.0 -- 0.0 61181 61181 4894 85.0 -- 0.241 0.241 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 2.1 2.34 -- 640 6996 0.482 0.475 0.059 55.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 76.1
Anisotropic B[1][1] -16.03
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 33.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -16.96
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.93
c_mcbond_it 1.39
c_scangle_it 3.03
c_mcangle_it 2.38
c_bond_d 0.008
c_angle_deg 1.3
c_improper_angle_d 1.29
c_dihedral_angle_d 21.0
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.77
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6802
Nucleic Acid Atoms 964
Heterogen Atoms 0
Solvent Atoms 190

Software

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