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Crystal structure of the KCa3.1 C-terminal four-helix bundle (with copper)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 290 0.1 M imidazole, pH 6.5
1.0 M sodium acetate
Crystal Properties Matthews coefficient Solvent content 2.37 48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.59 α = 90 b = 37.59 β = 90 c = 116.946 γ = 90
Symmetry Space Group P 4 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 100 CCD ADSC QUANTUM 315 2015-07-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 24-ID-E 0.9792 APS 24-ID-E
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) 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 1.75 35 99.1 0.063 0.032 34.8 4.8 16141 27.5831463069
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.78 95.4 0.723 0.845 0.427 0.845 2 3.3
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-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION SAD FREE R-VALUE 1.75013644453 27.058872742 1.33794288181 16015 901 98.8519227208 0.25945919616 0.252131398762 0.2511 0.322583786566 0.3237 48.013495998
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 2.59093543253 f_angle_d 0.984054669311 f_chiral_restr 0.0413494056666 f_bond_d 0.00765745909663 f_plane_restr 0.00445032672892
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 598 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms 2
Software Software Software Name Purpose HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing Coot model building PHENIX refinement