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Structure of the MAPK p38alpha in complex with its activating MAP2K MKK6
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5ETC experimental model PDB 5ETA experimental model PDB 6YG1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.732 f_angle_d 0.894 f_chiral_restr 0.048 f_plane_restr 0.007 f_bond_d 0.004
Sample Complex between the MAP2K MKK6 and its substrate MAPK p38alpha Sample Components Mitogen-activated protein kinase 14 (MAPK p38alpha) Dual specificity mitogen-activated protein kinase kinase 6 (MAP2K MKK6)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3.5 seconds
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 35123 Reported Resolution (Å) 4 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (5ETC, 5ETA, 6YG1) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 QUANTUM (4k x 4k) Electron Dose (electrons/Å**2) 62.77
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3000 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 215000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.3.2 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.3.2 MODEL FITTING PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 FINAL EULER ASSIGNMENT cryoSPARC 3.2.2 RECONSTRUCTION cryoSPARC 3.3.2 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION