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Structure of the KcsA-G77C mutant or the 2,4-ion bound configuration of a K+ channel selectivity filter.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 PEG400 , magnesium acetate, sodium acetate
Crystal Properties Matthews coefficient Solvent content 4.01 69.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 156.158 α = 90 b = 156.158 β = 90 c = 76.116 γ = 90
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 MARMOSAIC 325 mm CCD 2015-11-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL14-1 0.987 SSRL BL14-1
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 2.13 34.918 99.29 33.74 3.3 51020 50.54
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.13 2.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION THROUGHOUT 2.13 34.918 1.34 51005 2000 99.32 0.2071 0.2056 0.2428 0.2566 60.3042
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4013 Nucleic Acid Atoms Solvent Atoms 104 Heterogen Atoms 45
Software Software Software Name Purpose HKL-2000 data reduction HKL-2000 data scaling PHENIX refinement PDB_EXTRACT data extraction