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Crystal structure of a K+ selective NaK mutant (NaK2K) -K+,Tl+ complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3OUF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 NaK2K protein was mixed with 50mM MES pH 6.5/100mM potassium citrate/200mM TlNO3/56%-68% MPD while 50mM MES pH 6.5/100mM potassium citrate/200mM KNO3/56%-68% MPD was used for the reservoir
Crystal Properties Matthews coefficient Solvent content 2.49 50.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.461 α = 90 b = 68.461 β = 90 c = 90.389 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 ADSC QUANTUM 315r 2019-06-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97864 APS 19-ID
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 1.99 50 99.6 0.132 20.292 6.7 27873 43.32
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2 2.03 99.6 1.327 0.598 0.821 5.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT FREE R-VALUE 3OUF 1.99 34.23 1.44 27850 2783 99.36 0.2181 0.2143 0.2153 0.2541 0.2547 57.52
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 12.9121 f_angle_d 0.8442 f_chiral_restr 0.0478 f_bond_d 0.0071 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1464 Nucleic Acid Atoms Solvent Atoms 11 Heterogen Atoms 13
Software Software Software Name Purpose PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling PHENIX phasing