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Structure of an archaeal mechanosensitive channel in closed state
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2OAR 2OAR, 2B98 experimental model PDB 2B98 2OAR, 2B98
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.3 289 7% PEG4000, 0.4M NH4SCN, 0.1M Citric acid(pH7.3)
Crystal Properties Matthews coefficient Solvent content 3.65 70.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 87.292 α = 90 b = 140.368 β = 90 c = 182.544 γ = 90
Symmetry Space Group P 21 21 21
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 QUANTUM 315 2014-09-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 1.0 SSRF BL17U
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 3.5 50 99.2 26.2 11 27942 27942
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 3.5 3.63 100 1 1.8 11.2
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2OAR, 2B98 3.5 42 27306 1455 99.17 0.26085 0.25949 0.28709 0.2994 RANDOM 170.97
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] -4.5 12.95 -8.45
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.137 r_dihedral_angle_4_deg 25.061 r_long_range_B_refined 18.477 r_mcangle_it 12.805 r_dihedral_angle_3_deg 11.458 r_mcbond_it 8.545 r_scbond_it 8.171 r_dihedral_angle_1_deg 1.569 r_angle_refined_deg 1.568 r_chiral_restr 0.088
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.137 r_dihedral_angle_4_deg 25.061 r_long_range_B_refined 18.477 r_mcangle_it 12.805 r_dihedral_angle_3_deg 11.458 r_mcbond_it 8.545 r_scbond_it 8.171 r_dihedral_angle_1_deg 1.569 r_angle_refined_deg 1.568 r_chiral_restr 0.088 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_it r_scangle_other 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 9218 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing