X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.7
Details 10-15% PEG 2000, 200MM MAGNESIUM ACETATE, 100MM SODIUM CACODYLATE PH 5.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 93.5 α = 90
b = 93.5 β = 90
c = 362.3 γ = 90
Symmetry
Space Group P 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1998-09-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F1 -- CHESS F1

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 20 90.9 0.07 7.0 -- 3.0 -- 41219 -- 2.0 --

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 2.7 20.0 -- 2.0 -- 38609 1965 84.6 -- -- 0.238 0.289 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 54.1
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.014
x_angle_deg 1.8
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10408
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 454

Software

Software
Software Name Purpose
CCP4 model building
RAVE model building
CNS refinement version: 0.3
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing
RAVE phasing