X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 298.0
Details 25% PEG-MME 550, 100mM MES, pH 6.5, 10mM ZnSO4, 3% 1-propanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 43.82 α = 90
b = 43.82 β = 90
c = 177.25 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-08-02
Diffraction Radiation
Monochromator Protocol
Triangular monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.91 EMBL/DESY, Hamburg X11

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
1.56 30 95.9 -- 0.052 -- 4.6 13635 14797 0.0 0.0 19.9
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)
1.56 1.62 98.5 -- 0.211 -- -- --

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
SAD 1.6 14.83 -- 0.0 14797 13635 479 95.9 -- 0.196 0.196 0.229 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 1.6 1.7 -- 87 2183 0.242 0.337 0.036 99.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.8
Anisotropic B[1][1] 1.01
Anisotropic B[1][2] -0.18
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.61
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.62
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 2.2
c_bond_d 0.023
c_dihedral_angle_d 18.8
c_improper_angle_d 2.67
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 698
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 228

Software

Software
Software Name Purpose
CNS refinement version: 1.0
MAR345 data collection
SCALEPACK data scaling
CNS phasing