Table 1. Summary of cryogenic electron microscopy (cryo-EM) data collection and image processing parameters.
Dataset | RyR1ACP/EGTA closed | RyR1ACP/Ca22+A inactivated | RyR1ACP/Ca22+A inactivated class1 | RyR1ACP/Ca22+A inactivated class2 | RyR1ACP/Ca22+A inactivated class3 | RyR1ACP/Ca22+A inactivated CDTM | RyR1ACP/Ca22+A open | RyR1ACP/Ca22+A open CDTM | RyR1ACP/Ca22+B inactivated | RyR1ACP/Ca22+B open |
---|---|---|---|---|---|---|---|---|---|---|
Data acquisition | ||||||||||
Microscope/detector | Krios/K2 | Krios/K3 | Krios/K2 | |||||||
Voltage (kV) | 300 | 300 | 300 | |||||||
Magnification | 130,000 | 81,000 | 130,000 | |||||||
Defocus range (μm) | –1.2 to –2.2 | –1.25 to –2.5 | –1.25 to –2.5 | |||||||
Pixel size (Å) (calibrated) | 1.06 (1.07) | 1.08 (1.105) | 1.06 (1.07) | |||||||
Total electron dose (e/Å2) | 70 | 70 | 70 | |||||||
Exposure time (s) | 12 | 4.4 | 14 | |||||||
Number of frames | 60 | 50 | 50 | |||||||
Total number of Micrographs | 1959 | 10,002 | 1346 | |||||||
Image processing | ||||||||||
Total number of particles selected | 52,856 | 311,258 | 35,554 | |||||||
Final number of particles | 21,551 | 90,530 | 79,277 | 159,444 | 71,499 | 90,530 | 14,012 | 14,012 | 14,669 | 4160 |
Reconstruction symmetry | C4 | C4 | C1 | C1 | C1 | C4 | C4 | C4 | C4 | C4 |
Map resolution, FSC (0.143) (Å) (symmetry expanded map) | 4.3 (3.9) | 3.8 (3.5) | 3.7 | 3.3 | 3.8 | 3.5 | 4.6 (4.0) | 4.4 | 4.1 (3.8) | 5.8 |
Map sharpening B-factor (Å2) (symmetry expanded map) | –132 | –150 (–144) | –125 | –102 | –123 | –142 | –168 (–135) | –144 | –111(–89) | –148 |
EMDB ID | 22616 22597 | 25828 | 25831 | 25830 | 25832 | 25828* | 25829 | 25829* | 25833 | - |
Submitted as an additional map.