7LJ5

Human TRAAK K+ channel FHIEG mutant A198E in a K+ bound conductive conformation


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.827750mM Tris pH 8.8, 64-200 mM CaCl2, 27-33 vol vol PEG400
Crystal Properties
Matthews coefficientSolvent content
3.3162.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 80.16α = 90
b = 136.98β = 94.47
c = 95.74γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray77PIXELDECTRIS EIGER2 X 16M2019-10-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.11583ALS8.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.2695.4593.80.97110.227.257752
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)RedundancyNumber Unique Reflections (All)
12.262.504122.8272.8840.5670.57821.50812.88

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4WFE2.2695.4554920284660.330.22160.220.2521RANDOM69.498
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]
0.840.41.45-2.33
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.852
r_dihedral_angle_4_deg15.7
r_dihedral_angle_3_deg15.516
r_dihedral_angle_1_deg7.403
r_angle_refined_deg1.406
r_angle_other_deg1.203
r_chiral_restr0.057
r_bond_refined_d0.007
r_gen_planes_refined0.005
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg30.852
r_dihedral_angle_4_deg15.7
r_dihedral_angle_3_deg15.516
r_dihedral_angle_1_deg7.403
r_angle_refined_deg1.406
r_angle_other_deg1.203
r_chiral_restr0.057
r_bond_refined_d0.007
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms10402
Nucleic Acid Atoms
Solvent Atoms248
Heterogen Atoms10

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XSCALEdata scaling
PHASERphasing