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High resolution open MthK pore structure crystallized in 100 mM K+ and further soaked in 99 mM Na+/1 mM K+.
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, SITTING DROP 7.5 293 3.0-3.5 M 1,6-Hexandiol, 100 mM HEPES, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.44 49.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.323 α = 90 b = 63.323 β = 90 c = 44.008 γ = 90
Symmetry Space Group P 4 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 100 CCD ADSC QUANTUM 315 2008-08-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.9794 APS 19-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (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 1.45 50 97.7 0.047 57.2 9.7 16086 2 31.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.45 1.48 76.1 0.509 1.3 4.2 616
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.45 25.7 14429 1636 97.74 0.19315 0.19074 0.1933 0.21571 0.2078 RANDOM 31.548
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] 0.61 0.61 -1.22
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 16.688 r_dihedral_angle_4_deg 15.294 r_dihedral_angle_3_deg 12.833 r_dihedral_angle_1_deg 3.909 r_scangle_it 2.679 r_scbond_it 1.819 r_mcangle_it 1.195 r_angle_refined_deg 1.105 r_mcbond_it 0.609 r_symmetry_vdw_refined 0.598
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 16.688 r_dihedral_angle_4_deg 15.294 r_dihedral_angle_3_deg 12.833 r_dihedral_angle_1_deg 3.909 r_scangle_it 2.679 r_scbond_it 1.819 r_mcangle_it 1.195 r_angle_refined_deg 1.105 r_mcbond_it 0.609 r_symmetry_vdw_refined 0.598 r_nbtor_refined 0.319 r_nbd_refined 0.247 r_xyhbond_nbd_refined 0.16 r_symmetry_hbond_refined 0.147 r_chiral_restr 0.067 r_metal_ion_refined 0.03 r_symmetry_metal_ion_refined 0.03 r_bond_refined_d 0.008 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 641 Nucleic Acid Atoms Solvent Atoms 56 Heterogen Atoms 5
Software Software Software Name Purpose HKL-2000 data collection PHASES phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling