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Potassium Channel KcsA-Fab complex in Li+ and K+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1K4D
Crystallization Crystal Properties Matthews coefficient Solvent content 3.83 67.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 155.799 α = 90 b = 155.799 β = 90 c = 75.775 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 CCD MARMOSAIC 300 mm CCD M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-G 0.979 APS 21-ID-G
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 2.75 30 21554 79.4
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 1K4D 2.75 27.54 21546 1085 90.5 0.242 0.242 0.2426 0.273 0.2703 RANDOM 79.5
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] 5.71 5.71 -11.42
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.5 c_angle_deg 1.9 c_improper_angle_d 1.32 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.5 c_angle_deg 1.9 c_improper_angle_d 1.32 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4074 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 32
Software Software Software Name Purpose CNS refinement