7CJI

Photosystem II structure in the S1 state


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE293PEG, magnesium sulfate
Crystal Properties
Matthews coefficientSolvent content
3.5965.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 126.02α = 90
b = 231.7β = 90
c = 288.32γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293CCDMPCCD2017-04-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERSACLA BEAMLINE BL31.77SACLABL3

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)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
12.35401000.99956.849435116252.01
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.352.431000.62339

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT5ws52.3539.9321.333385091703297.010.16280.16040.207667.0154
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms41493
Nucleic Acid Atoms
Solvent Atoms2051
Heterogen Atoms9263

Software

Software
Software NamePurpose
PHENIXrefinement
Cheetahdata collection
CrystFELdata processing
PHENIXmodel building
PHASERphasing
DIALSdata reduction
DIALSdata scaling