X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details 20% PEG 4000, 0.1 M Bis-Tris pH 5, 0.4 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 60.4 α = 90
b = 60.4 β = 90
c = 102.42 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 160
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2009-08-19
Diffraction Radiation
Monochromator Protocol
Si 111 Channel SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X6A 1.0000 NSLS X6A

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 95.8 -- -- -- -- 29186 27966 2.0 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
SAD 1.6 20.0 -- 2.0 29186 27966 2781 -- 0.25 0.25 0.234 0.264 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 1.61 505 51 -- 0.305 0.336 0.01 95.0
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.62
c_dihedral_angle_d 26.0
c_bond_d 0.005
c_angle_deg 1.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1605
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 219

Software

Software
Software Name Purpose
HKL-2000 data collection
MOLREP phasing
CNS refinement version: 1.1
HKL-2000 data reduction
HKL-2000 data scaling