TABLE 1.
Cryo-EM data acquisition and image processing of M. tuberculosis cyt-bcc:aa3
Data acquisition and image processing | M. tuberculosis cyt-bcc:aa3 |
---|---|
Data collection | |
Electron microscope | Titan Krios |
Camera | Gatan K2 |
Mode | Super-resolution counting |
Voltage (kV) | 300 |
Nominal magnification | 130,000 × |
Calibrated physical pixel size (Å) | 1.06 |
Exposure time (s) | 9 |
Total exposure (e–/Å2) | 40 |
No. of frames | 40 |
Defocus range (μM) | 1.0–2.0 |
Image processing | |
Motion correction software | MotionCor2 |
CTF estimation software | CTFFind4 |
Particle selection software | cryoSPARC v3.3.1 |
2D classifications | cryoSPARC v3.3.1 |
3D classification and refinement software | RELION v3.1 |
Particle motion correction software | RELION v3.1 |