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Crystal structure of the G protein-gated inward rectifier K+ channel GIRK2 (Kir3.2) in complex with the beta-gamma G protein subunits
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.8 293.15 600 mM NaK tartrate, 50 mM Na-ADA, pH 5.8, vapor diffusion, hanging drop, temperature 293.15K
Crystal Properties Matthews coefficient Solvent content 3.72 66.96
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 127.308 α = 90 b = 127.308 β = 90 c = 309.392 γ = 90
Symmetry Space Group I 4 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 100 CCD MAR 2012-11-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 23-ID-B 1.034 APS 23-ID-B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 3.45 50 96 0.226 3.5 10.6 16537
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 3.45 3.57 72.5 8.7 1220
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 MOLECULAR REPLACEMENT THROUGHOUT 3.45 49.89 16535 844 95.35 0.2296 0.2278 0.2259 0.2653 0.2714 RANDOM 123.0224
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] -3.63 -3.63 7.25
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.613 r_dihedral_angle_4_deg 16.187 r_dihedral_angle_3_deg 15.074 r_dihedral_angle_1_deg 5.827 r_mcangle_it 5.338 r_mcbond_it 3.248 r_mcbond_other 3.247 r_angle_refined_deg 1.045 r_angle_other_deg 0.69 r_chiral_restr 0.057
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.613 r_dihedral_angle_4_deg 16.187 r_dihedral_angle_3_deg 15.074 r_dihedral_angle_1_deg 5.827 r_mcangle_it 5.338 r_mcbond_it 3.248 r_mcbond_other 3.247 r_angle_refined_deg 1.045 r_angle_other_deg 0.69 r_chiral_restr 0.057 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5656 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 65
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction