3WU2

Crystal structure analysis of Photosystem II complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRO-BATCH METHOD UNDER OIL6.12855% PEG1450, 20mM NaCl, 10mM CaCl2, 40mM MgSO4, 20mM MES buffer, pH 6.1, MICRO-BATCH METHOD UNDER OIL, temperature 285K
Crystal Properties
Matthews coefficientSolvent content
3.4264.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.19α = 90
b = 228.51β = 90
c = 286.4γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX225HE2009-11-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44XU0.9SPring-8BL44XU

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
11.95099.60.0621.57622012-336.693
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)
11.91.9799.70.7730.8382.63

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.9205920193121499.820.15790.1560.1935RANDOM35.302
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]
3.19-1.19-1.99
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.876
r_dihedral_angle_4_deg17.518
r_dihedral_angle_3_deg13.732
r_dihedral_angle_1_deg6.031
r_angle_refined_deg2.489
r_chiral_restr0.132
r_bond_refined_d0.019
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms40806
Nucleic Acid Atoms
Solvent Atoms2884
Heterogen Atoms9902

Software

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