4YUU

Crystal structure of oxygen-evolving photosystem II from a red alga


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE6.1277PEG1450, glycerol, MES-NaOH, CaCl2, beta-DDM
Crystal Properties
Matthew coefficientSolvent content
2.7955.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 210.445α = 90
b = 240.31β = 90
c = 300.063γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2011-01-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL41XU0.9SPring-8BL41XU

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
12.76729.77599.40.10417.437.538217667.7883864741
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.762.9397.71.1622.047.15

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation 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 DIFFRACTIONTHROUGHOUT2.770003681169.999568344851.336463829753736811873999.74641714110.2506294305930.2491956786040.27770068127468.5703747251
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.4296477747
f_angle_d1.18202202501
f_chiral_restr0.0392767363841
f_bond_d0.0061495116924
f_plane_restr0.00495865536727
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms77709
Nucleic Acid Atoms
Solvent Atoms18
Heterogen Atoms15016

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
SHARPphasing
SOLVEphasing