ELECTRON MICROSCOPY

Sample

PAPP-A dimer in complex with its endogenous inhibitor STC2 dimer

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument LEICA EM GP
Cryogen Name ETHANE
Sample Vitrification Details Blot time 4.5 sec
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 3
Reported Resolution (Å) 5.02
Resolution Method FSC 0.143 CUT-OFF
Other Details Composite map
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 ?
Fitting Procedure ?
Details Initial model source: alphafold2 models PAPP-A AF-Q13219-F1 STC2 AF-O76061-F1
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 58
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 600
Maximum Defocus (nm) 1800
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 3
IMAGE ACQUISITION EPU ?
CTF CORRECTION cryoSPARC 3.3
MODEL FITTING Coot ?
CLASSIFICATION cryoSPARC 3
RECONSTRUCTION PHENIX 1.20
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
NONE ?