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Crystal Structure of the ClC Chloride Channel from E. coli
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 293 PEG 400, tris, sodium sulfate, lithium sulfate, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.5 64.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.66 α = 90 b = 152.525 β = 90 c = 263.064 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 MARRESEARCH 2000-02-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID13 0.782 ESRF ID13
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 3.5 50 98.6 0.075 26.3 5.2 55065 54294 1 1 85.5
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) 3.5 3.63 91.3 0.505 1.8 4938
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 3.5 20 54088 53763 5321 99.4 0.2912 0.29 0.29 0.2852 0.301 0.292 RANDOM 104.9
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] 24.09 -13.68 -10.42
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 19.2 c_scangle_it 8.07 c_scbond_it 5.79 c_mcangle_it 2.97 c_mcbond_it 1.68 c_angle_deg 1.6 c_improper_angle_d 0.76 c_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 20274 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling