X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details 12% (W/V) PEG 6000, 25% (V/V) ETHYLENE GLYCOL, 0.2M TRIS-HCL PH 7.8, 0.002M DTT, pH 7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 122.83 α = 90
b = 122.83 β = 90
c = 45 γ = 120
Symmetry
Space Group P 3 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1997-07-15
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
1.7 20 96.8 -- 5.3 -- 6.9 -- 42292 -- -- 18.5
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)
1.7 1.79 93.2 -- 10.6 6.5 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 1.7 8.0 -- 2.0 -- 41325 4174 96.6 -- -- 0.202 0.225 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.7 1.78 -- 467 4388 0.287 0.299 0.014 92.6
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.2
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.008
x_improper_angle_d 1.17
x_angle_deg 1.249
x_dihedral_angle_d 24.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.218
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2066
Nucleic Acid Atoms 0
Heterogen Atoms 25
Solvent Atoms 153

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.843
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
X-PLOR phasing