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STRUCTURE OF THE ATP-SENSITIVE INWARD RECTIFIER POTASSIUM CHANNEL FROM MAGNETOSPIRILLUM MAGNETOTACTICUM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1P7B PDB ENTRY 1P7B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.6 293 90MM HEPES, 2.5% PEG 8000, 2.5% PEG 4000, 20% PEG 400, 12.5MM MAGNESIUM CHLORIDE, 42.5MM MAGNESIUM ACETATE, 2.5% GLYCEROL, 14MM HEGA-10 , PH 7.6, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K
Crystal Properties Matthews coefficient Solvent content 3.77 65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.76 α = 90 b = 107.53 β = 90 c = 89.65 γ = 90
Symmetry Space Group P 21 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 M SINGLE WAVELENGTH
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 2.7 30 28510
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 1P7B 2.8 28.76 24241 1308 99.05 0.24836 0.24668 0.2474 0.2801 0.2771 RANDOM 75.034
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] 1.35 2.68 -4.03
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 26.617 r_dihedral_angle_4_deg 18.603 r_dihedral_angle_3_deg 17.399 r_scangle_it 7.408 r_dihedral_angle_1_deg 5.535 r_mcangle_it 5.361 r_scbond_it 4.062 r_mcbond_it 2.967 r_angle_refined_deg 1.448 r_chiral_restr 0.083
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 26.617 r_dihedral_angle_4_deg 18.603 r_dihedral_angle_3_deg 17.399 r_scangle_it 7.408 r_dihedral_angle_1_deg 5.535 r_mcangle_it 5.361 r_scbond_it 4.062 r_mcbond_it 2.967 r_angle_refined_deg 1.448 r_chiral_restr 0.083 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_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 4569 Nucleic Acid Atoms Solvent Atoms 33 Heterogen Atoms 20
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALA data scaling CNS phasing