X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4
Temperature 277.0
Details sodium citrate, pH 4.0, VAPOR DIFFUSION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 114.46 α = 90
b = 114.46 β = 90
c = 90.66 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-11-18
Diffraction Radiation
Monochromator Protocol
0.97 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.9330 ESRF ID14-2

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
2.2 20 99.9 -- 0.055 -- 5.0 35161 35072 -- -3.0 45.6
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)
2.2 2.28 100.0 -- 0.535 4.0 5.0 3475

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
MOLECULAR REPLACEMENT 2.2 20.0 0.0 0.0 35050 35050 1759 99.8 0.179 0.179 0.179 0.199 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.384
c_mcbond_it 1.462
c_scbond_it 2.286
c_angle_deg 1.84
c_mcangle_it 2.403
c_bond_d 0.009
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2417
Nucleic Acid Atoms 0
Heterogen Atoms 138
Solvent Atoms 319

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
EPMR phasing
CNS refinement version: 1.0