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Ultrafast Structural Response to Charge Redistribution Within a Photosynthetic Reaction Centre - 8 us structure
Serial Crystallography (SX)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2I5N
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 277 Macrocrystal growth: 10 mg/ml protein, 3.6 M ammonium sulphate, 6 % w/v heptane-1,2,3-triol, 20 mM KH203/K2H03 pH 6.8, 0.1 % LDAO
20 ul sitting drop, 10 protein : 10 precipitant
Microcrystals: 8.5 mg/ml protein 18.5 ul sitting drop, 10 protein : 7.5 precipitant : 1 seed stock
Crystal Properties Matthews coefficient Solvent content 5.53 77.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 226.5 α = 90 b = 226.5 β = 90 c = 113.9 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 PIXEL CS-PAD CXI-1 2016-06-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 FREE ELECTRON LASER SLAC LCLS BEAMLINE CXI 1.3 SLAC LCLS CXI
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 2.8 34.5 100 0.996 10.72 957 75089 89.07
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 2.8 2.83 0.826 2.02
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 2I5N 2.8 34.31 1.34 73110 3672 99.99 0.1597 0.16 0.1621 0.154 0.1565 84.49
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 20.988 f_angle_d 2.088 f_chiral_restr 0.0637 f_plane_restr 0.0104 f_bond_d 0.0083
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9347 Nucleic Acid Atoms Solvent Atoms 146 Heterogen Atoms 909
Software Software Software Name Purpose REFMAC refinement PHENIX refinement CrystFEL data reduction CrystFEL data scaling PHASER phasing