X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.7
Temperature 293.0
Details 25% PEG2K MME, 20% Glycerol, 5% MPD, 0.1M Tris pH8.7, 1mM DTT, 5mM NaAc, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.64 α = 90
b = 97.64 β = 90
c = 175.15 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 -- 2002-06-28
CCD ADSC QUANTUM 315 -- 2003-02-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9791 APS 19-ID
SYNCHROTRON NSLS BEAMLINE X25 0.9789, 1.214 NSLS X25

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
3 30 99.5 0.088 0.06 -- 7.7 14944 14870 2.8 2.8 --
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)
3.3 3.36 93.2 0.469 0.386 2.8 4.3 694

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
SIRAS 3.3 15.0 0.0 0.0 14916 14233 720 95.4 -- -- 0.2965 0.3253 --
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 1.136
Anisotropic B[1][2] 8.605
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.136
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.272
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3403
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
SCALEPACK data reduction
HKL-2000 data collection