Table S1.

Cryo-EM data collection

MicroscopeFEI Titan Krios
Voltage, kV300
DetectorGatan K2 Summit
Recording modeCounting
Magnification (including postmagnification)49,020
Movie micrograph pixel size, Å1.02
Dose rate, e/[(camera pixel)*s]10
No. of frames per movie micrograph35
Frame exposure time, ms200
Movie micrograph exposure time, s7
Total dose, e266
Defocus range, µm0.7–2.5