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Structure of the E148A, Y445A doubly ungated mutant of E.coli CLC_Ec1, Cl-/H+ antiporter
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OTS PDB entry 1OTS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.5 298 300 mM KCl, 26.6% PEG 600, 50 mM Na-cacodylate pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.69 66.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 231.167 α = 90 b = 97.514 β = 132.88 c = 173.277 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 178 CCD MARMOSAIC 300 mm CCD 2008-04-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-D 0.97949 APS 23-ID-D
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2.8 86 99.9 0.106 0.106 10.9 7.3 69549 60533 2 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.8 2.86 99.8 0.16 0.16 4.2 6.9 10078
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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- 1OTS structure factor file PDB entry 1OTS 2.8 59.03 69549 60533 3193 91.38 0.25698 0.25698 0.25478 0.2492 0.29885 0.2937 1OTS structure factor file 101.565
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] -0.43 -0.03 0.38 0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.411 r_dihedral_angle_4_deg 21.655 r_dihedral_angle_3_deg 18.138 r_dihedral_angle_1_deg 6.408 r_scangle_it 2.925 r_angle_refined_deg 1.73 r_scbond_it 1.69 r_mcangle_it 1.466 r_mcbond_it 0.778 r_chiral_restr 0.099
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.411 r_dihedral_angle_4_deg 21.655 r_dihedral_angle_3_deg 18.138 r_dihedral_angle_1_deg 6.408 r_scangle_it 2.925 r_angle_refined_deg 1.73 r_scbond_it 1.69 r_mcangle_it 1.466 r_mcbond_it 0.778 r_chiral_restr 0.099 r_bond_refined_d 0.016 r_gen_planes_refined 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13201 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement MAR345dtb data collection MOSFLM data reduction SCALA data scaling PHASER phasing