X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Hanging Drop
pH 7.5
Temperature 298.0
Details 0.2M calcium acetate, 5% glycerol, 15% PEG 3350, 200mM NaCl, pH 7.5, hanging drop, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 98.23 α = 90
b = 103.23 β = 90
c = 52.26 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC Q315 -- 2007-11-28
Diffraction Radiation
Monochromator Protocol
Cryo-Cooled Si(111) double crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 24-ID-C 0.97949 APS 24-ID-C

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
1.93 50 99.2 0.066 -- -- 7.6 40879 40552 1.0 1.0 --
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)
1.93 1.96 91.6 0.474 -- -- 5.3 1838

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 1.93 27.6 -- 0.0 40763 40274 1281 98.8 0.245 0.245 0.243 0.261 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.821
Anisotropic B[1][1] -4.369
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.252
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.117
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.524
c_mcangle_it 1.944
c_angle_deg 1.97
c_mcbond_it 1.351
c_bond_d 0.013
c_scbond_it 1.769
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2730
Nucleic Acid Atoms 554
Heterogen Atoms 34
Solvent Atoms 292

Software

Software
Software Name Purpose
CNS refinement
PDB_EXTRACT data extraction version: 3.100
HKL-2000 data collection
DENZO data reduction
SCALEPACK data scaling
CNS phasing