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 NSLS BEAMLINE X25 1.050 NSLS X25
SYNCHROTRON APS BEAMLINE 19-ID 0.9790 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
2.1 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_scangle_it 3.03
c_scbond_it 1.93
c_mcangle_it 2.38
c_mcbond_it 1.39
c_improper_angle_d 1.29
c_bond_d 0.008
c_angle_deg 1.3
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
CNS model building