ELECTRON MICROSCOPY

Sample

Asymmetric unit of D5-symmetric complex composed of two pentameric C-reactive proteins interlinked with five monoclonal IgG antibodies

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 1434575
Reported Resolution (Å) 2.4
Resolution Method FSC 0.143 CUT-OFF
Other Details The resolution estimated within a soft mask covering one pCRP chain and one Fab fragment. The number of particles provided after the D5 symmetry expansion
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 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 54
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS 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 ?
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION cryoSPARC 4.6
CTF CORRECTION cryoSPARC 4.6
MODEL FITTING Coot 0.9
MODEL REFINEMENT ISOLDE 1.8
MODEL REFINEMENT PHENIX 1.20
INITIAL EULER ASSIGNMENT cryoSPARC 4.6
FINAL EULER ASSIGNMENT cryoSPARC 4.6
RECONSTRUCTION cryoSPARC 4.6
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
Feedback Form
Name
Email
Institute
Feedback