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Structure of active Janus Kinase (JAK) dimer complexed with cytokine receptor intracellular domain
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.107 f_angle_d 0.47 f_chiral_restr 0.04 f_bond_d 0.003 f_plane_restr 0.003
Sample GCN4-zippered dimeric IFN-lambda intracellular domain bound to two Jak1s
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details 3 s blotting before plunging
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 224615 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 55
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN 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 29000 Calibrated Magnification 58680 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.3 MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 3.3 FINAL EULER ASSIGNMENT cryoSPARC 3.3 CLASSIFICATION cryoSPARC 3.3 RECONSTRUCTION cryoSPARC 3.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Final per-particle CTF values were determined by cryoSPARC Local CTF Refinement. 17057371 Including non-proteinous features. The actual number of intact complex particles was ~1,429,325.