Table 1. Cryo-EM data collection and refinement statistics.

EMBD entry	EMD-45610
PDB file	ESI file
Voltage (kV)	300
Electron exposure (e−/Å2)	50
Pixel size (Å per pixel)	1.08
Particle images (no.)	1 516 102
Helical parameters (axial rise/twist)	0.692 Å/153.94°
Map:map FSC (0.143) resolution	3.2 Å
Model:map FSC (0.5) resolution	3.4 Å
Model vs. map CC (mask)	0.90