X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 16.0
Details 2.7 M ammonium sulfate 20% (w/v) glucose 50 mM sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 16K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.46 α = 90
b = 98.46 β = 90
c = 323.22 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
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 X26C -- NSLS X26C

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
2.26 20 82.9 0.056 -- -- 2.8 24152 67597 -- -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)
2.26 2.3 32.7 0.288 -- -- -- 474

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
-- 2.26 20.0 0.0 0.0 24065 24065 1896 82.9 -- -- 0.207 0.283 Random
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3190
Nucleic Acid Atoms 580
Heterogen Atoms 42
Solvent Atoms 705

Software

Software
Software Name Purpose
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling