7YQ7

Crystal structure of photosystem II expressing psbA3 gene only


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3WU2 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH62855% PEG 1450, 20mM NaCl, 10mM CaCl2, 40mM MgSO4, 20mM MES BUFFER pH 6.0, MICRO-BATCH METHOD UNDER OIL, TMPERATURE 285K
Crystal Properties
Matthews coefficientSolvent content
3.1961.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.804α = 90
b = 228.456β = 90
c = 286.852γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 6M2014-05-14MSINGLE 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)Rrim I (All)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
11.919.9999.60.0790.0860.99915.816.80862811239.777
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.92.0199.41.2121.3110.7351.636.823

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 REPLACEMENTTHROUGHOUT3WU21.919.991.346253233132799.630.14820.14670.177143.9454
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 Atoms41221
Nucleic Acid Atoms
Solvent Atoms3409
Heterogen Atoms10242

Software

Software
Software NamePurpose
XDSdata reduction
SCALAdata scaling
PHASERphasing
Cootmodel building
PHENIXrefinement
REFMACrefinement