ELECTRON MICROSCOPY

Sample

Human Insulin Receptor Complexed with 1 Insulin

Specimen Preperation
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 439418
Reported Resolution (Å) 3.8
Resolution Method FSC 0.143 CUT-OFF
Other Details Focused refinement with mask in the insulin binding region
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Correlation coefficient
Overall B Value 85
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å2) 50.0
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 700
Maximum Defocus (nm) 2700
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 43796
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION EMAN2 2.21a
PARTICLE SELECTION RELION 2.1
IMAGE ACQUISITION SerialEM 3.6
CTF CORRECTION Gctf 1.06
MODEL FITTING UCSF Chimera 1.11.2
MODEL FITTING Coot 0.9
INITIAL EULER ASSIGNMENT cryoSPARC 0.6.5
FINAL EULER ASSIGNMENT RELION 3.0.7
CLASSIFICATION RELION 3.0.7
RECONSTRUCTION RELION 3.0.7
MODEL REFINEMENT PHENIX 1.18
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?