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RT XFEL structure of Photosystem II 250 microseconds after the second illumination at 2.01 Angstrom resolution
Serial Crystallography (SX)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6DHE PDB entry 6DHE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH MODE 298 0.1 M MES, pH 6.5, 0.1 M ammonium chloride, 35% w/v PEG5000
Crystal Properties Matthews coefficient Solvent content 3.18 61.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 117.039 α = 90 b = 221.917 β = 90 c = 308.295 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 298 CCD RAYONIX MX340-HS 2018-11-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE MFX 1.3027 SLAC LCLS MFX
Serial Crystallography Sample delivery method Diffraction ID Description Sample Delivery Method 1 injection
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) CC (Half) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.01 33.59 99.78 0.977 14.3 71.1 535670 32.76
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.01 2.03 0.051
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE PDB entry 6DHE 2.01 33.59 1.33 527373 4685 99.74 0.1757 0.1752 0.1755 0.2278 0.2282 39.79
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 Key Refinement Restraint Deviation f_dihedral_angle_d 21.2795 f_angle_d 1.5098 f_chiral_restr 0.0628 f_bond_d 0.0147 f_plane_restr 0.0095
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 47711 Nucleic Acid Atoms Solvent Atoms 2081 Heterogen Atoms 2510
Software Software Software Name Purpose PHENIX refinement cxi.merge data reduction PHASER phasing cxi.merge data scaling