X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 295.0
Details lithium sulfate, nickel chloride, tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 41.78 α = 100.84
b = 41.79 β = 92.41
c = 59.56 γ = 96.57
Symmetry
Space Group P 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C 1.100 NSLS X12C

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
2.3 30 78.8 -- -- -- -- 14549 13744 0.0 -- --

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 2.3 29.19 -- 0.0 -- 13744 688 78.8 -- -- 0.211 0.257 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 2.3 2.44 1013 65 1013 0.24 0.256 0.032 36.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.0
Anisotropic B[1][1] -0.82
Anisotropic B[1][2] 0.51
Anisotropic B[1][3] 5.84
Anisotropic B[2][2] -4.29
Anisotropic B[2][3] 0.96
Anisotropic B[3][3] 5.11
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.92
c_dihedral_angle_d 26.2
c_scbond_it 1.66
c_bond_d 0.008
c_angle_deg 1.6
c_scangle_it 2.29
c_mcangle_it 1.8
c_mcbond_it 1.14
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3102
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 140

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
EPMR phasing