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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 7.5 PRECIPITANT: 15 % PEG 400 2.5 % PEG 4000 2.5 % PEG 8000 10 % GLYCEROL 90 MM HEPES PH 7.5 PROTEIN: KIRBAC3.1, 8MG/ML 150MM KCL 20MM TRIS PH 8.0 0.05% TDM 10MM EDTA 4MM LDAO PROTEIN AND PRECIPITANT WERE MIXED IN A 1:1 RATIO AND EQUILIBRATED AGAINST A RESERVOIR OF PRECIPITANT SOLUTION IN A SITTING DROP VAPOUR DIFFUSION SET-UP.
Crystal Properties Matthews coefficient Solvent content 6.75 81.8
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.68 α = 73.95 b = 109.06 β = 82.3 c = 146.39 γ = 89.88
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 MARRESEARCH 2008-07-31 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 3.6 70 97 0.18 4.1 1.9 94851 -3 91.74
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 3.6 3.79 97.1 0.86 1.6 1.9
Refinement Statistics Diffraction ID Structure Solution 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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1XL4 3.44 15 1.96 76716 3918 93.18 0.2664 0.266 0.2594 0.2725 0.2669
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.188 f_angle_d 1.671 f_chiral_restr 0.085 f_bond_d 0.019 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 17661 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 6
Software Software Software Name Purpose PHENIX refinement MOSFLM data reduction SCALA data scaling PHASER phasing