X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5.6
Temperature 277.0
Details PEG 3350, MES, socium nitrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.08 α = 90
b = 78.59 β = 93.84
c = 94.15 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 2000-03-16
IMAGE PLATE MARRESEARCH mirrors 2000-03-26
IMAGE PLATE MARRESEARCH mirrors 2000-03-26
Diffraction Radiation
Monochromator Protocol
cylindrically bent cubed root SI(311), asymmetric cut, horizontal focus SINGLE WAVELENGTH
cylindrically bent cubed root SI(311), asymmetric cut, horizontal focus SINGLE WAVELENGTH
cylindrically bent cubed root SI(311), asymmetric cut, horizontal focus SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.97 SSRL BL9-1
SYNCHROTRON SSRL BEAMLINE BL9-1 0.97 SSRL BL9-1
SYNCHROTRON SSRL BEAMLINE BL9-1 0.97 SSRL BL9-1

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
2.1 50 94.9 0.125 -- -- 5.5 236822 42896 2.0 2.0 --
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)
2.1 2.14 85.0 0.103 -- -- -- 1924

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 2.1 50.0 2.0 2.0 236822 42844 4315 -- -- -- 0.218 0.255 random
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5289
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 351

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS model building
DENZO data collection
CNS version: 1.0 refinement
SCALEPACK data reduction