X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details PEG 8,000 25%, NACL 100 MM, SODIUM ACETATE 50 MM, PH 4, T=28C

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.1 α = 90
b = 86.1 β = 90
c = 97.8 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRRORS 2001-04-28
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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
1.5 30 99.7 0.058 -- -- 9.0 -- 22503 -- -- --
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)
1.5 1.53 97.0 0.296 -- 6.0 -- --

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
OTHER 1.5 30.0 -- 0.0 -- 22503 2275 97.8 -- 0.159 0.156 0.194 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 23.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1110
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 100

Software

Software
Software Name Purpose
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing