Table 3 EM statistics.

From: A potent SARS-CoV-2 neutralising nanobody shows therapeutic efficacy in the Syrian golden hamster model of COVID-19

 

Spike C5 (PDB ID 7OAN, EMD-12777)

Data collection and processing

 Magnification

81,000

 Voltage (kV)

300

 Electron exposure (e2)

50

 Defocus range (μm)

1.0–3.0

 Pixel size (Å/pix) (super resolution)

0.53

 Symmetry imposed

C3

 Initial particle images (no.)

1,061,364

 Final particle images (no.)

227,898

 Map resolution (Å)

2.9

  FSC threshold

0.143

 Map resolution range (Å)

2.7–6.7

Refinement

 Initial model used

6VXX

 Model resolution (Å)

3.0

  FSC threshold

0.143

 Model resolution range (Å)

198.2–3.0

 Map sharpening B factor (Å2)

−118

 Model composition

  Non-hydrogen atoms

28,218

  Protein residues

3510

 B factors (Å2)

  Protein

121

 R.m.s. deviations

  Bond lengths (Å)

0.011

  Bond angles (°)

1.241

Validation

 MolProbity score

1.84

 Clashscore

8.13

 Poor rotamers (%)

1.35

 Ramachandran plot

  Favoured (%)

95.75

  Allowed (%)

4.08

  Disallowed (%)

0.17