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Crystal Structure of the Apo/CaM:Kv7.4 (KCNQ4) AB Domain Complex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 277 2M ammonium sulfate, 0.1M BisTris pH 6.5
Crystal Properties Matthews coefficient Solvent content 2.96 58.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.435 α = 90 b = 142.453 β = 90 c = 164.313 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 80 CCD ADSC QUANTUM 315r 2015-03-27 M SINGLE WAVELENGTH 2 1 x-ray 80 PIXEL DECTRIS PILATUS 6M 2016-08-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 0.9797 ALS 8.3.1 2 SYNCHROTRON APS BEAMLINE 23-ID-B 1.072 APS 23-ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) 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 2.3 50 100 0.119 0.128 0.047 13.6 7.3 57501 31.47
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 2.3 2.34 100 0.928 0.998 0.366 0.932 7.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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) Mean Isotropic B X-RAY DIFFRACTION FREE R-VALUE 2.3 48.888 54987 5475 94.76 0.2031 0.1984 0.2456 0.2654 46.0271
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 21.646 f_angle_d 0.84 f_chiral_restr 0.047 f_bond_d 0.007 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6921 Nucleic Acid Atoms Solvent Atoms 284 Heterogen Atoms 25
Software Software Software Name Purpose SCALEPACK data scaling PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data reduction PHENIX phasing