X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 3.3
Temperature 296.0
Details 0.25 M sodium succinate, 0.5 % PEG 8000, pH 3.3, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 291.07 α = 90
b = 537.25 β = 90
c = 555.16 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-07-14
Diffraction Radiation
Monochromator Protocol
Double crystal, Si(111) or Si(311) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.95 ESRF ID14-4

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
2.7 40 79.0 0.19 -- -- -- 2353839 1859533 1.3 1.3 --
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)
2.7 2.82 70.0 -- -- -- -- --

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 2.7 40.0 -- 0.0 1859533 1859533 -- 100.0 -- 0.281 0.281 -- Due to high non-crystallographic symmetry, R-free for viruses is always very similar to R-observed. Therefore, no reflections were selected for R-free determination.
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4634
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 256

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
GLRF phasing
TF model building
RAVE model building
CNS refinement version: 1.0
TF phasing
RAVE phasing