X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 6.5
Temperature 298.0
Details 2/3 dilution of 30% PEG 8000, 0.1M sodium cacodylate, pH6.5, 0.2M ammonium sulfate, EVAPORATION, temperature 298.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.19 α = 90
b = 114.89 β = 90.9
c = 63.17 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-11-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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 0.78 0.081 -- -- 2.8 63997 49803 2.0 1.0 20.5
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)
1.9 1.99 0.76 0.349 -- -- 2.8 --

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
-- 1.9 100.0 0.0 0.0 63975 63997 3233 -- 0.233 0.233 0.233 0.267 Random
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6248
Nucleic Acid Atoms 0
Heterogen Atoms 27
Solvent Atoms 494

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (TRUNCATE) Data Reduction (data scaling)
AMORE Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
AMORE model building
TRUNCATE data reduction
DENZO data collection