X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 288.0
Details 30% (W/V) POLY-ETHYLENE GLYCOL (PEG) 8000, 0.2 M AMMONIUM SULFATE, 1 MM DTT AND 0.1 M SODIUM CACODYLATE, pH 6.50, VAPOR DIFFUSION, SITTING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.72 α = 90
b = 121.72 β = 90
c = 132.71 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2004-03-12
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A 0.9792 ESRF BM30A

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
2.55 30 96.6 -- 0.088 -- 2.9 71418 68990 0.0 -3.0 36.2
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)
2.56 2.62 96.0 -- 0.391 1.081 2.8 --

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 2.55 29.61 -- 0.0 65653 65653 3205 91.5 0.216 0.214 0.214 0.26 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 2.55 2.71 9753 485 9268 0.324 0.366 0.017 81.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 44.7
Anisotropic B[1][1] 7.6
Anisotropic B[1][2] 10.06
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.21
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.64
c_scbond_it 1.78
c_dihedral_angle_d 22.1
c_improper_angle_d 0.84
c_mcbond_it 1.17
c_bond_d 0.006
c_angle_deg 1.2
c_mcangle_it 1.98
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5783
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 286

Software

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