X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.3
Details 0.1M MES PH6.3, 0.2M AMMONIUM SULFATE, 26% PEG 5K MONOMETHYLETHER, HANGING DROP VAPOR DEFFUSION, vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.22 α = 90
b = 62.42 β = 90
c = 129.77 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 1997-08-01
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 0.979419, 0.979104, 0.967642, 0.9190 CHESS F2

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 95.9 -- 4.3 -- 5.2 -- 58385 -- -- --
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 1.69 83.9 -- 17.4 4.1 4.1 --

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
MAD 1.6 10.0 -- 3.0 -- 58307 5925 95.0 -- 0.209 0.209 0.247 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 1.6 1.67 -- 604 5578 0.298 0.307 -- 81.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.1
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.25
x_dihedral_angle_d 24.7
x_bond_d 0.007
x_improper_angle_d 1.15
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.24
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3161
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 305

Software

Software
Software Name Purpose
MADSYS phasing
SnB phasing
MLPHARE phasing
DM model building
X-PLOR refinement version: 3.851
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
DM phasing