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Crystal structure of the Spin-labeled KcsA mutant V48R1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BL8 PDB entry 1BL8
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 200 mM CaCl2, 150 mM KCl, 100 mM HEPES, 19-49% PEG 400, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 4.28 71.23
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 130.97 α = 90 b = 76.63 β = 125.83 c = 112.97 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 CCD MARMOSAIC 300 mm CCD K-B pair of biomorph mirrors for vertical and horizontal focusing 2008-12-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-B 1.033 APS 23-ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) 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 3.56 50 99.4 0.086 4 3.5 7946 7898 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.56 3.65 0.0421 1.7 3.6
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 3.56 24.84 7898 7898 409 75.14 0.27267 0.27267 0.27109 0.30218 0.3016 RANDOM 110.671
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] -0.22 -0.67 -0.12 -0.45
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.97 r_dihedral_angle_3_deg 26.177 r_dihedral_angle_4_deg 15.683 r_dihedral_angle_1_deg 6.33 r_angle_refined_deg 1.779 r_scangle_it 1.681 r_mcangle_it 1.511 r_scbond_it 0.844 r_mcbond_it 0.818 r_chiral_restr 0.086
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.97 r_dihedral_angle_3_deg 26.177 r_dihedral_angle_4_deg 15.683 r_dihedral_angle_1_deg 6.33 r_angle_refined_deg 1.779 r_scangle_it 1.681 r_mcangle_it 1.511 r_scbond_it 0.844 r_mcbond_it 0.818 r_chiral_restr 0.086 r_bond_refined_d 0.055 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2743 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 49
Software Software Software Name Purpose MOSFLM data reduction PHASER phasing REFMAC refinement SCALA data scaling