4RKU

Crystal structure of plant Photosystem I at 3 Angstrom resolution


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
4.0769.77

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.631α = 90
b = 189.168β = 91.11
c = 129.667γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-03-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-20.873ESRFID23-2

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
12.534129.64299.80.1586.11921381160081165.2

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT339.6931.34104875115939577199.920.25930.25760.293
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_d31.48
f_angle_d2.372
f_chiral_restr0.147
f_bond_d0.011
f_plane_restr0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms23975
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms10565

Software

Software
Software NamePurpose
MxCuBEdata collection
MOLREPphasing
PHENIXrefinement
XDSdata reduction
SCALAdata scaling