X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.8
Details 20% PEG 3350, 80 mM AMMONIUM SULFATE, 10 mM SODIUM CACODYLATE pH 5.8

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 101.54 α = 90
b = 101.54 β = 90
c = 101.54 γ = 90
Symmetry
Space Group I 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI MIRROR 1996-11-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
1.9 100 100.0 -- 0.092 -- 10.3 -- 26790 -- 2.0 --
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)
1.9 1.98 99.9 -- 0.529 4.2 -- --

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
SEMET MAD 1.9 6.0 -- 2.0 -- 13163 1289 100.0 -- 0.2176 0.2176 0.275 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 1.9 1.98 -- 150 1277 0.2932 0.3155 0.025 96.75
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.5
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 6.532
x_scbond_it 4.354
x_mcangle_it 3.0
x_mcbond_it 2.072
x_improper_angle_d 1.135
x_bond_d 0.008
x_angle_deg 1.956
x_dihedral_angle_d 25.38
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1111
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 126

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building