☰ Navigation Tabs
X-ray crystal structure of a KirBac potassium channel highlights a mechanism of channel opening at the bundle-crossing gate.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1X6C PDB ENTRY 1X6C
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 10% GLYCEROL, 90 MM HEPES 7.2, 20.0% PEG 400, 5% PEG 4K, 2.5% PEG 8K.
Crystal Properties Matthews coefficient Solvent content 4.02 69.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.24 α = 90 b = 106.24 β = 90 c = 89.8 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 PIXEL DECTRIS PILATUS 6M 2011-02-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I24 Diamond I24
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 3.05 106.24 99.9 0.13 5.5 6.8 10293 2 81.02
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 3.05 3.21 99.8 0.94 2 6.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1X6C 3.05 89.8 2 10244 496 99.9 0.2222 0.2204 0.2314 0.2589 0.2669 RANDOM 54.39
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] -10.0113 -10.0113 20.0227
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 3.33 t_omega_torsion 2.76 t_angle_deg 1.08 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 3.33 t_omega_torsion 2.76 t_angle_deg 1.08 t_bond_d 0.01 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2185 Nucleic Acid Atoms Solvent Atoms 19 Heterogen Atoms 7
Software Software Software Name Purpose BUSTER refinement MOSFLM data reduction SCALA data scaling PHASER phasing