X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.25
Temperature 291.0
Details 28% PEG 4000, 150 LIS04,100MM TRIS, pH 8.25, VAPOR DIFFUSION, HANGING DROP, temperature 18K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.24 α = 90
b = 80.71 β = 90
c = 99.57 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1998-04-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 5.0.2 -- ALS 5.0.2

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 25 98.0 0.086 -- -- 4.1 87994 86234 0.0 0.0 18.1
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 1.55 90.5 0.46 -- -- 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
-- 1.5 25.0 0.0 2.0 87286 73015 7353 83.7 -- 0.22 0.22 0.24 RANDOM, THROUGHOUT
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 0.679
c_bond_d 1.3
c_mcangle_it 0.359
c_scangle_it 0.596
c_mcbond_it 0.366
c_angle_deg 0.005
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3643
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 352

Software

Software
Software Name Purpose
SOLVE phasing
CNS refinement
DENZO data reduction
SCALEPACK data scaling