X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 298.0
Details 12% PEG 3350, 0.1M Tris.base, 5% MPD, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 75.23 α = 90
b = 75.23 β = 90
c = 75.31 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 0.979 NSLS X26C

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 99 100.0 0.071 -- -- 10.2 33002 33002 0.0 0.0 --
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)
1.6 1.66 100.0 0.525 -- 5.0 -- --

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
MAD 1.6 99.0 0.0 0.0 32945 31910 3179 96.9 -- -- 0.191 0.202 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 16.0
Anisotropic B[1][1] -1.578
Anisotropic B[1][2] -0.818
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.578
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.156
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.004
c_mcangle_it 1.159
c_mcbond_it 0.659
c_scangle_it 1.681
c_scbond_it 1.077
c_angle_deg 1.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1391
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 195

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
SOLVE phasing
CNS refinement
HKL-2000 data reduction