Table 1 Crystallographic data collection and refinement statistics of Mpro and the complexes with ebselen and MR6-31-2.

From: Inhibition mechanism of SARS-CoV-2 main protease by ebselen and its derivatives

 

Mpro

Mpro-ebselen

Mpro-MR6-31-2

Data collection

Space group

C2

C2

C2

Cell dimensions

    a, b, c (Å)

115.35, 53.61, 44.98

113.20, 53.78, 44.92

114.00, 53.62, 44.54

    α, β, γ (°)

90.00, 101.37, 90.00

90.00, 101.44, 90.00

90.00, 100.89, 90.00

Resolution (Å)

48.49–1.65 (1.68–1.65)

48.39–2.05 (2.11–2.05)

33.87–1.85 (1.89–1.85)

Rmerge(%)

3.7 (29.5)

3.8 (58.5)

7.5 (107.9)

Rpim(%)

3.5 (26.7)

3.6 (53.3)

6.9 (97.1)

CC1/2

0.999 (0.899)

0.998 (0.699)

0.997 (0.446)

II

13.2 (2.2)

12.4 (1.8)

8.6 (1.6)

Completeness (%)

99.9 (99.9)

99.5 (100.0)

99.9 (99.9)

Redundancy

3.3 (3.4)

3.4 (3.5)

3.3 (3.2)

Refinement

Resolution (Å)

48.49–1.65

48.39–2.05

33.87–1.85

No. reflections

32,461

16,661

21,465

Rwork /Rfree(%)

17.60/18.70

20.10/22.05

22.39/24.90

No. atoms

    Protein

2360

2324

2335

    Sea

0

1

1

    Water

250

88

139

B-factors (Å2)

    Protein

15.58

50.12

36.18

    Se

52.68

38.72

    Water

37.88

51.39

39.47

R.m.s. deviations

   Bond lengths (Å)

0.0104

0.0066

0.0068

   Bond angles (°)

1.712

1.489

1.572

Ramachandran plot

Preferred (%)

97.37

97.35

96.69

Allowed (%)

2.30

2.32

3.31

Outliers (%)

0.33

0.33

0

PDB code

7BAJ

7BAK

7BAL

  1. aSelenium occupancy is 0.60 (ebselen) and 0.80 (MR6-31-2).