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Human TRAAK K+ channel FHIEG mutant A198E in a K+ bound conductive conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4WFE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.8 277 50mM Tris pH 8.8, 64-200 mM CaCl2, 27-33 vol vol PEG400
Crystal Properties Matthews coefficient Solvent content 3.31 62.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.16 α = 90 b = 136.98 β = 94.47 c = 95.74 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 77 PIXEL DECTRIS EIGER2 X 16M 2019-10-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.11583 ALS 8.3.1
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 2.26 95.45 93.8 0.971 10.2 27.2 57752
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.26 2.504 12 2.827 2.884 0.567 0.5782 1.508 12.88
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4WFE 2.26 95.45 54920 2846 60.33 0.2216 0.22 0.2208 0.2521 0.2507 RANDOM 69.498
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] 0.84 0.4 1.45 -2.33
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.852 r_dihedral_angle_4_deg 15.7 r_dihedral_angle_3_deg 15.516 r_dihedral_angle_1_deg 7.403 r_angle_refined_deg 1.406 r_angle_other_deg 1.203 r_chiral_restr 0.057 r_bond_refined_d 0.007 r_gen_planes_refined 0.005 r_bond_other_d 0.001
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.852 r_dihedral_angle_4_deg 15.7 r_dihedral_angle_3_deg 15.516 r_dihedral_angle_1_deg 7.403 r_angle_refined_deg 1.406 r_angle_other_deg 1.203 r_chiral_restr 0.057 r_bond_refined_d 0.007 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10402 Nucleic Acid Atoms Solvent Atoms 248 Heterogen Atoms 10
Software Software Software Name Purpose REFMAC refinement PDB_EXTRACT data extraction XDS data reduction XSCALE data scaling PHASER phasing