X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Temperature 277.0
Details PROTEIN WAS CRYSTALLISED FROM 40 % PEG200, 100 MM MES, PH 5.8 AT 4 DEGREES C, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113 α = 90
b = 113 β = 90
c = 136.9 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD -- -- 1995-04-30
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID09 -- ESRF ID09

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
2.8 20.2 84.5 -- 0.148 -- 4.2 -- 21492 -- 0.0 --
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)
2.8 3.0 61.3 -- 0.25 -- -- --

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 2.8 20.0 -- 0.0 -- 21490 1032 84.5 -- 0.207 -- 0.268 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4152
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 144

Software

Computing
Computing Package Purpose
LAUEVIEW Data Reduction (intensity integration)
LAUEVIEW Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
REFMAC model building
LAUEVIEW data reduction
LAUEVIEW data collection