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Open-gate KcsA soaked in 4 mM BaCl2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1K4C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 293 20 % PEG 400, 50 mM Magnesium Acetate, 50 mM Sodium Acetate, pH 5.5
Crystal Properties Matthews coefficient Solvent content 3.99 69.21
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 155.97 α = 90 b = 155.97 β = 90 c = 74.316 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 98 PIXEL DECTRIS EIGER X 16M 2017-02-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.9792 APS 24-ID-E
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 3.5 55.144 98.5 0.22 0.98 6.5 4.9 10740
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 3.5 3.6 0.33
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 THROUGHOUT 1K4C 3.556 55.144 1.34 10685 530 97.98 0.2026 0.2003 0.2058 0.248 0.2413 127.165
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 3.826 f_angle_d 0.775 f_chiral_restr 0.044 f_plane_restr 0.005 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3938 Nucleic Acid Atoms Solvent Atoms 4 Heterogen Atoms 2
Software Software Software Name Purpose Aimless data scaling PHENIX refinement PDB_EXTRACT data extraction XDS data reduction PHASER phasing