X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 20.0
Details 18-21% PEG4000, 5% PEG200, 30% ETHYLENE GLYCOL, 0.2M AMMONIUM ACETATE, 0.05M SODIUM ACETATE, PH 5.0, 0.1% DIOXANE, 2-8 MM SRCL2, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.34 α = 90
b = 57.87 β = 90
c = 148.45 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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
1.6 20 97.2 0.036 -- -- 4.2 44637 43387 0.0 0.0 22.0
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)
1.6 1.66 94.9 0.177 -- -- 2.5 --

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
-- 1.6 20.0 0.0 0.0 44637 43387 4339 -- -- -- 0.231 0.276 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 1.4
p_angle_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2458
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 234

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
MLPHARE model building