Table 1 Cryo-EM data collection, refinement and validation statistics of cACE2 in complex with SARS-CoV-2 RBD.

From: Broad host range of SARS-CoV-2 and the molecular basis for SARS-CoV-2 binding to cat ACE2

 

cACE2 in complex with SARS-CoV-2 RBD

Data collection and processing

 Magnification

130k

 Voltage (kV)

300

 Electron exposure (e-2)

50

 Defocus range (μm)

−1.8 to −2.2

 Pixel size (Å)

0.99375

 Symmetry imposed

C1

 Final particle images (no.)

195,370

 Map resolution (Å)

3.0

 FSC threshold

0.143

Refinement

 Initial model used (PDB code)

6LZG

 Model resolution range (Å)

up to 3

 FSC average (model to map)

  Whole unit cell

0.7298

  Around atoms

0.74

 Model composition

  Non-hydrogen atoms

6359

  Protein residues

792

  Ligands

1

 B factors (Å2)

  Protein

55.1

  Ligand

56.7

 R.m.s. deviations

  Bond lengths (Å)

0.003

  Bond angles (°)

0.481

Validation

 MolProbity score

2.29

 Clashscore

8.71

 Poor rotamers (%)

5.90

 Ramachandran plot

  Favored (%)

96.45

  Allowed (%)

3.55

  Outliers (%)

0