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Structure of US27-Gi-scFv16 in CL-state
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.43 f_angle_d 0.708 f_chiral_restr 0.048 f_plane_restr 0.006 f_bond_d 0.005
Sample US27-Gi-scFv16 complex Sample Components Gi heterotrimer scFv16 US27
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 268877 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details The resolution estimate was inflated due to the better-defined G protein region compared to the receptor region. Refinement Type Symmetry Type POINT
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) 73
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -800 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 57624 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3.1 MODEL REFINEMENT PHENIX FINAL EULER ASSIGNMENT cryoSPARC 3.1 CLASSIFICATION cryoSPARC 3.1 RECONSTRUCTION cryoSPARC 3.1
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. 12254340 Including non-proteinous features. The actual number of intact complex particles was ~1,159,618.