FEI Titan Krios + Gatan K2, super-resolution, energy filter 20 eV slit, Cs 2.7 mm; accelerating voltage 300 kV; dose rate 7.5 e-/ A^2/s; frame time 0.2 s (50 frames) with total exposure of 10 s; total dose 75 e-/A^2; pixel size 1.03 A/px(detector); pixel size 0.515 A/px(image); defocus range -1.1 to -2.4 um; gain reference is reference_fliprot90.mrc located in references folder.