3UG9

Crystal Structure of the Closed State of Channelrhodopsin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1lipid cubic phase629330% PEG 500 DME, 100mM Na Citrate (pH6.0), 100mM MgCl2, 100mM NaCl, 100mM (NH4)2SO4, lipid cubic phase, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4950.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.471α = 90
b = 139.114β = 90
c = 90.049γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2011-09-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA0.9795SLSX06SA

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
12.337.897.90.0816.518985-353
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.4495.60.9361.0171.94

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 DIFFRACTIONMOLECULAR REPLACEMENT2.336.5691.3416709167298.40.20880.2040.251251.5985
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]
2.9262-15.246112.3199
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.077
f_angle_d1.306
f_chiral_restr0.086
f_bond_d0.008
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2179
Nucleic Acid Atoms
Solvent Atoms43
Heterogen Atoms85

Software

Software
Software NamePurpose
XSCALEdata scaling
PHENIXrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XDSdata scaling
MOLREPphasing