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POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1XL4 PDB ENTRY 1XL4
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 PRECIPITANT: 40 % PEG 200 0.2 M SODIUM CHLORIDE 0.1 M SODIUM PHOSPHATE PH 6.0 PROTEIN: 8MG/ML KB3.1 150MM KCL 20MM TRIS PH 8.0 0.05% TDM 4MM LDAO PROTEIN PRECIPITANT COMBINED IN 1:1 RATIO, THEN EQUILIBRATED IN SITTING-DROP VAPOUR-DIFFUSION SET-UP WITH RESERVOIR OF PRECIPITANT.
Crystal Properties Matthews coefficient Solvent content 4.24 71
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.279 α = 90 b = 106.279 β = 90 c = 90.114 γ = 90
Symmetry Space Group P 4 21 2
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 ADSC CCD MIRRORS 2008-06-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 Australian Synchrotron MX1
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 3.28 50 97.6 0.11 18.8 9 8448 -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 3.28 3.4 90.4 0.52 3 6.7
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 PDB ENTRY 1XL4 3.28 15 8140 497 100 0.216 0.2128 0.2163 0.2659 0.2723 SHELLS 95.905
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] 2.605 2.605 -5.21
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.155 r_dihedral_angle_4_deg 24.025 r_dihedral_angle_3_deg 19.151 r_mcangle_it 5.871 r_dihedral_angle_1_deg 5.541 r_mcbond_it 4.264 r_scangle_it 3.947 r_scbond_it 2.29 r_angle_refined_deg 1.329 r_chiral_restr 0.083
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 30.155 r_dihedral_angle_4_deg 24.025 r_dihedral_angle_3_deg 19.151 r_mcangle_it 5.871 r_dihedral_angle_1_deg 5.541 r_mcbond_it 4.264 r_scangle_it 3.947 r_scbond_it 2.29 r_angle_refined_deg 1.329 r_chiral_restr 0.083 r_bond_refined_d 0.013 r_gen_planes_refined 0.005 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_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 2226 Nucleic Acid Atoms Solvent Atoms 1 Heterogen Atoms 7
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling PHASER phasing