X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.9
Temperature 298.0
Details precipitant solution: NaSCN, Peg3350, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.12 α = 90
b = 103.12 β = 90
c = 31.01 γ = 120
Symmetry
Space Group P 64

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 spherical mirrors 2003-10-30
Diffraction Radiation
Monochromator Protocol
KOHZU double crystal monochromator with a sagittally focused second crystal. Crystal type Si(III) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 1.0714 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
1.76 30 94.1 0.0 0.119 -- 3.7 36715 34549 0.0 -3.0 28.1
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)
1.76 1.82 67.8 -- 0.68 1.0 1.9 --

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 1.9 30.0 -3.0 0.0 29082 27281 2652 93.8 -- 0.195 0.1915 0.2262 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 3398 340 -- -- -- -- 92.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Maximum Likelihood
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.09
c_angle_d 1.28
c_bond_d 0.0044
c_mcbond_it 1.336
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 969
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 109

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing