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Cryo-EM structure of LKB1-STRADalpha-MO25alpha heterocomplex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2WTK
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 11.585 f_angle_d 1.489 f_chiral_restr 0.073 f_bond_d 0.012 f_plane_restr 0.011
Sample Heterotrimeric complex of serine/threonine kinase LKB1 with psuedokinase STRADa and scaffolding MO25a
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 124780 Reported Resolution (Å) 2.86 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (2WTK) 2 Refinement Space Refinement Protocol RIGID BODY FIT FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 45.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF ChimeraX MODEL REFINEMENT PHENIX MODEL FITTING Rosetta MODEL REFINEMENT ISOLDE
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 979927