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Crystal structure of the human two pore domain potassium ion channel K2P1 (TWIK-1)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 20% Peg 400, 150 mM KCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.71 73.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.08 α = 90 b = 123.171 β = 94.91 c = 119.305 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2011-05-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 1.1 NSLS X25
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.4 50 99.9 0.057 38.5 12.8 32855 32855 -3
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 3.4 3.46 99.9 2.1 12 1628
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO PHASING THROUGHOUT 3.4 19.91 29136 1479 89.6 0.273 0.273 0.274 0.279 0.2798 RANDOM 185.7
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] 6.96 16.17 -19.95 12.99
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.6 c_scangle_it 10.25 c_scbond_it 7.47 c_mcangle_it 6.79 c_mcbond_it 4.2 c_angle_deg 1.4 c_improper_angle_d 0.84 c_bond_d 0.009 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.6 c_scangle_it 10.25 c_scbond_it 7.47 c_mcangle_it 6.79 c_mcbond_it 4.2 c_angle_deg 1.4 c_improper_angle_d 0.84 c_bond_d 0.009 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7544 Nucleic Acid Atoms Solvent Atoms 8 Heterogen Atoms 54
Software Software Software Name Purpose CBASS data collection CNS refinement HKL-3000 data reduction HKL-3000 data scaling