2WLO

POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5PRECIPITANT: 15 % PEG400 2.5 % PEG 4000 2.5 % PEG 8000 10 % GLYCEROL 90 MM HEPES PH 7.5 PROTEIN KIRBAC 3.1, 8MG/ML 150MM KCL 20MM TRIS PH 8.0 20MM TETRABUTYL AMMONIUM BROMIDE 4MM CYMAL-5 0.05% TDM PROTEIN AND PRECIPITANT WERE MIXED TOGETHER IN A 1:1 RATIO, AND EQUILIBRATED AGAINST RESERVOIR SOLUTION IN A SITTING-DROP VAPOUR-DIFFUSION SET-UP.
Crystal Properties
Matthews coefficientSolvent content
7.3683

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.86α = 90
b = 115.36β = 90
c = 289.11γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMIRRORS2008-11-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX1Australian SynchrotronMX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
145098.40.2249.57.2-3136.35

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONOTHERNONE4.03614.9951.471350766392.20.24530.24470.2547
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-53.7271-57.0285-51.0876
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.139
f_angle_d1.02
f_chiral_restr0.056
f_bond_d0.016
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4336
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms3

Software

Software
Software NamePurpose
PHENIXrefinement
DENZOdata reduction
SCALEPACKdata scaling