Table 3 Cryo-EM data collection, refinement and validation statistics.

From: Structure and binding properties of Pangolin-CoV spike glycoprotein inform the evolution of SARS-CoV-2

 

Pangolin-CoV (EMD-12130) (PDB 7BBH)

Data collection and processing

 Voltage (kV)

300

 Electron exposure (e–/Å2)

51.8

 Defocus range (μm)

−1.5 to −3.0

 Pixel size (Å)

1.08

 Symmetry imposed

C3

 Final particle images (no.)

93 k

 Map resolution (Å)

2.9

 FSC threshold  =  0.143

 

 Map resolution range (Å)

2.8–3.6

Refinement

 Initial model used (PDB code)

6ZGE

 Model resolution (Å)

3.0

 FSC threshold  =  0.5

 

 Map sharpening B factor (Å2)

−86.5

 Model composition

 

 Non-hydrogen atoms

25,827

 Protein residues

3189

 Ligands

69

 B factors (Å2)

 

 Protein

38.0

 Ligand

70.9

 R.m.s. deviations

 

 Bond lengths (Å)

0.005

 Bond angles (°)

0.707

 Validation

 

 MolProbity score

1.36

 Clashscore

3.02

 Poor rotamers (%)

0.86

 Ramachandran plot

 

 Favored (%)

96.13

 Allowed (%)

3.87

 Disallowed (%)

0.00