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The crystal structure of the cytoplasmic domain of KcsA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 298 20% PEG2000 and 20 mM Bis-Tris propane, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.55 51.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 115.499 α = 90 b = 115.499 β = 90 c = 76.816 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 ADSC QUANTUM 315 2007-10-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 1.0 APS 23-ID-D
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 2.6 50 98.1 15270 13735 2 2
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 2.6 2.7 99.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2.6 50 2 15270 13735 1539 98.01 0.2304 0.22527 0.2303 0.27575 RANDOM 69.799
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] 2.61 2.61 -5.22
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.006 r_dihedral_angle_4_deg 21.718 r_dihedral_angle_3_deg 20.542 r_dihedral_angle_1_deg 7.106 r_scangle_it 2.158 r_angle_refined_deg 1.456 r_scbond_it 1.317 r_mcangle_it 0.878 r_mcbond_it 0.457 r_chiral_restr 0.09
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.006 r_dihedral_angle_4_deg 21.718 r_dihedral_angle_3_deg 20.542 r_dihedral_angle_1_deg 7.106 r_scangle_it 2.158 r_angle_refined_deg 1.456 r_scbond_it 1.317 r_mcangle_it 0.878 r_mcbond_it 0.457 r_chiral_restr 0.09 r_bond_refined_d 0.012 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other 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_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3494 Nucleic Acid Atoms Solvent Atoms 59 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection CCP4 model building REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling CCP4 phasing