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Potassium channel KcsA-Fab complex in thallium with tetraethylarsonium (TEAs)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1K4C PDB ENTRY 1K4C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.4 PEG 400, MAGNESIUM ACETATE, SODIUM ACETATE, pH 5.40
Crystal Properties Matthews coefficient Solvent content 3.96 68.71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 154.68 α = 90 b = 154.68 β = 90 c = 76.19 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 200 CCD MARRESEARCH 2004-08-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B APS 5ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 3 25 96.6 0.11 7.03 3.45 17721 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3 3.2 90.6 0.43 1.83
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1K4C 3.01 25 16821 900 98.4 0.223 0.222 0.25 RANDOM 40.88
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] 1.52 1.52 -3.04
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.139 r_dihedral_angle_3_deg 16.125 r_dihedral_angle_4_deg 15.325 r_dihedral_angle_1_deg 6.652 r_angle_refined_deg 1.249 r_angle_other_deg 0.788 r_mcangle_it 0.413 r_mcbond_it 0.391 r_scangle_it 0.349 r_nbd_refined 0.218
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.139 r_dihedral_angle_3_deg 16.125 r_dihedral_angle_4_deg 15.325 r_dihedral_angle_1_deg 6.652 r_angle_refined_deg 1.249 r_angle_other_deg 0.788 r_mcangle_it 0.413 r_mcbond_it 0.391 r_scangle_it 0.349 r_nbd_refined 0.218 r_scbond_it 0.197 r_nbd_other 0.196 r_nbtor_refined 0.185 r_symmetry_vdw_other 0.185 r_xyhbond_nbd_refined 0.164 r_symmetry_vdw_refined 0.118 r_symmetry_hbond_refined 0.095 r_nbtor_other 0.086 r_chiral_restr 0.07 r_bond_refined_d 0.01 r_gen_planes_refined 0.004 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4073 Nucleic Acid Atoms Solvent Atoms 12 Heterogen Atoms 14
Software Software Software Name Purpose REFMAC refinement XDS data reduction XDS data scaling CNS phasing