ELECTRON MICROSCOPY

Sample

Trimeric human six-transmembrane epithelial antigen of the prostate (STEAP1) bound to three Fab-fragments of antibody mAb120.545

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE-PROPANE
Sample Vitrification Details blot 4 seconds, blotforce 0
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 169426
Reported Resolution (Å) 2.97
Resolution Method FSC 0.143 CUT-OFF
Other Details Final reconstruction was generated in Relion.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value 100.9
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 49.5
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 3000
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 130000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details Data was collected on a 200 kV Talos Arctica, located at Utrecht University, the Netherlands.
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION EPU ?
CTF CORRECTION Gctf 1.18
MODEL FITTING UCSF Chimera 1.12
INITIAL EULER ASSIGNMENT RELION 3.0
FINAL EULER ASSIGNMENT RELION 3.1beta
CLASSIFICATION RELION 3.1beta
RECONSTRUCTION RELION 3.1beta
MODEL REFINEMENT PHENIX 1.17.1-3660
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?