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An anisotropic model for potassium channel KcsA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BL8
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 200 MM CACL2, 100 MM HEPES PH 7.5, 48% PEG 400
Crystal Properties Matthews coefficient Solvent content 4.99 75.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 128.78 α = 90 b = 68.93 β = 124.63 c = 112.04 γ = 90
Symmetry Space Group C 1 2 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 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.908 CHESS A1
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 3.201 30 93.3 6.1 12603 2
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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MIR THROUGHOUT 1BL8 3.201 9.99 4 10912 1265 100 0.27164 0.27162 0.27181 RANDOM 121.433
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] -1.06 -1.64 0.68 -1.49
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 47.921 r_dihedral_angle_3_deg 20.4 r_dihedral_angle_4_deg 8.627 r_dihedral_angle_1_deg 5.493 r_angle_refined_deg 0.989 r_symmetry_vdw_refined 0.469 r_nbtor_refined 0.31 r_nbd_refined 0.285 r_xyhbond_nbd_refined 0.173 r_metal_ion_refined 0.108
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 47.921 r_dihedral_angle_3_deg 20.4 r_dihedral_angle_4_deg 8.627 r_dihedral_angle_1_deg 5.493 r_angle_refined_deg 0.989 r_symmetry_vdw_refined 0.469 r_nbtor_refined 0.31 r_nbd_refined 0.285 r_xyhbond_nbd_refined 0.173 r_metal_ion_refined 0.108 r_chiral_restr 0.057 r_bond_refined_d 0.007 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2849 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms 3
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling SHELXS phasing