2O01

The Structure of a plant photosystem I supercomplex at 3.4 Angstrom resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6278pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Crystal Properties
Matthews coefficientSolvent content
4.1570.33

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 120.054α = 90
b = 188.784β = 95.19
c = 127.518γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100 MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-20.875ESRFID23-2

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
13.45091.10.1416.413.6705513.43.4
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)
13.43.5278.90.4753.42.76034

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUTPDB ENTRY 1QZV3.4406981770551351690.850.3510.3480.409RANDOM44.13
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]
-1.062.780.740.82
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg43.946
r_dihedral_angle_3_deg27.622
r_dihedral_angle_4_deg20.588
r_dihedral_angle_1_deg15.284
r_angle_refined_deg4.101
r_scangle_it1.697
r_scbond_it1.334
r_mcangle_it0.878
r_mcbond_it0.563
r_symmetry_vdw_refined0.411
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg43.946
r_dihedral_angle_3_deg27.622
r_dihedral_angle_4_deg20.588
r_dihedral_angle_1_deg15.284
r_angle_refined_deg4.101
r_scangle_it1.697
r_scbond_it1.334
r_mcangle_it0.878
r_mcbond_it0.563
r_symmetry_vdw_refined0.411
r_nbd_refined0.388
r_xyhbond_nbd_refined0.337
r_nbtor_refined0.334
r_chiral_restr0.216
r_symmetry_hbond_refined0.21
r_metal_ion_refined0.113
r_bond_refined_d0.017
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms23599
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms6247

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
DENZOdata reduction
SCALEPACKdata scaling
DMphasing