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. 2022 Feb 18;11:e74175. doi: 10.7554/eLife.74175

Table 3. Cryo-EM data collection, processing, and model statistics.

Dataset No DNA DNA
Magnification 130,000 81,000
Voltage (keV) 300 300
Cumulative exposure(e−/Å 2) 49–51 40
Detector K2 Summit K3
Pixel size (Å) 1.059 1.06
Defocus range (μm) −1.1 to −2.4 −1.2 to −2.3
Micrographs used (no.) 6109 4499
Initial particle images (no.) 954,291 1,331,440
Symmetry C
Class name Autoinhibited1 Autoinhibited2 Autoinhibited3 Open1 Open2 DNA-open DNA-closed
Final refined particles (no.) 55,308 68,227 60,036 46,069 63,752 46,300 76,270
Applied B factor (Å2) −100 −159.352 −163.938 −100 −106.457 −105.857 −105.313
Map resolution(Å, FSC 0.143) 3.8 3.9 4.0 4.0 3.5 3.4 3.3
Model-Map CC_mask 0.78 0.77 0.77 0.76 0.78 0.79 0.77
Bond lengths (Å), angles (°) 0.002,0.585 0.002,0.561 0.002,0.558 0.002,0.574 0.002,0.542 0.002,0.518 0.002,0.523
Ramachandran outliers, allowed, favored 0.00,3.16, 96.84 0.00,3.11, 96.89 0.00,2.89, 97.11 0.00,3.08, 96.92 0.00,3.38, 96.62 0.00,2.23, 97.77 0.00,2.16, 97.84
Poor rotamers (%),MolProbity score, Clashscore (all atoms) 0.00,1.68,9.05 0.00,1.68,9.42 0.00,1.68,9.95 0.00,1.67,9.26 2.01,1.91,8.67 1.09,1.54,8.44 1.09,1.55,9.18
Accession number,EMDB, PDB 25568,7THJ 25569,7TIC 25614,7THV 25615,7TKU 25753,7TI8 25616,7TIB 25617, 7TID