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Human TRAAK K+ channel in a K+ bound nonconductive conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4I9W
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.8 277 50 mM TRIS PH 8.8, 200 mM CaCl2, 27-30% (vol/vol) PEG400
Crystal Properties Matthews coefficient Solvent content 3.41 63.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 80.666 α = 90 b = 138.891 β = 95.15 c = 96.531 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 100 CCD MARMOSAIC 300 mm CCD 2012-11-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-B 1.0332 APS 23-ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 2.5 48.1 98.9 34.8 10.1 68997
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.5 2.54 100 1 10.3
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 4I9W 2.5 48.1 68997 3631 98.89 0.21473 0.21311 0.24492 0.2348 RANDOM 98.23
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] -2.39 3.5 -6.82 8.44
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.203 r_dihedral_angle_4_deg 17.143 r_dihedral_angle_3_deg 15.55 r_long_range_B_refined 12.357 r_long_range_B_other 12.356 r_scangle_other 8.016 r_dihedral_angle_1_deg 6.936 r_mcangle_it 6.698 r_mcangle_other 6.697 r_scbond_it 5.514
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.203 r_dihedral_angle_4_deg 17.143 r_dihedral_angle_3_deg 15.55 r_long_range_B_refined 12.357 r_long_range_B_other 12.356 r_scangle_other 8.016 r_dihedral_angle_1_deg 6.936 r_mcangle_it 6.698 r_mcangle_other 6.697 r_scbond_it 5.514 r_scbond_other 5.514 r_mcbond_it 4.569 r_mcbond_other 4.569 r_angle_refined_deg 1.002 r_angle_other_deg 0.63 r_chiral_restr 0.059 r_bond_refined_d 0.008 r_gen_planes_refined 0.006 r_gen_planes_other 0.003 r_bond_other_d 0.002 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10384 Nucleic Acid Atoms Solvent Atoms 183 Heterogen Atoms 18
Software Software Software Name Purpose REFMAC refinement