X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.8
Temperature 293.0
Details Isopropanol, cacodylate, ammonium acetate, magnesium acetate, calcium acetate, pH 6.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 99.68 α = 90
b = 99.68 β = 90
c = 207.05 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-11-12
Diffraction Radiation
Monochromator Protocol
Si 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SLS BEAMLINE X06SA 1.008 SLS X06SA

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
3.2 50 98.4 -- 0.07 -- 6.9 17756 17756 0.0 -3.0 --
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)
3.2 3.3 100.0 -- 0.87 2.4 7.3 --

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 3.2 19.94 -- 0.0 18501 16854 1647 94.4 -- 0.302 0.302 0.36 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 3.2 3.4 -- 212 2332 0.413 0.46 0.032 87.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUPED B-Factors
Mean Isotropic B 108.4
Anisotropic B[1][1] 15.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 15.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -30.18
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_dihedral_angle_d 22.2
c_improper_angle_d 1.36
c_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.54
Luzzati Sigma A (Observed) 0.66
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.71
Luzzati Sigma A (R-Free Set) 0.71
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2054
Nucleic Acid Atoms 1465
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing