Table 2 Structures of enzyme/inhibitor-complexes.

From: Calpeptin is a potent cathepsin inhibitor and drug candidate for SARS-CoV-2 infections

PDB ID

7Z3T

7QKC

7Z58

7QKB

7Z3U

7QKA

7QGW

8C3D

Protein/Compound

CatL

CatL/S-Calp

CatL/Calpeptin

CatL/GC-376

Mpro/S-Calp

Mpro/GC-376

CatV/Calp

CatK/S-Calp

Data collection

Space group

P1

P1

P1

P1

P 21 21 21

C 1 2 1

P43 21 2

C1 2 1

Cell dimensions

a, b, c (Å)

56.94, 62.14, 67.47

57.05, 62.46, 67.54

57.18, 62.45, 67.82

57.29, 62.45, 67.82

67.692, 99.598, 103.261

113.675, 53.356, 44.994

94.24, 94.24, 126.96

94.63, 41.62, 65.66

α, β, γ (°)

105.166, 94.226, 115.576

105.32, 93.91, 115.39

105.578, 93.134, 115.562

105.306, 93.523, 115.929

90, 90, 90

90, 102.511, 90

90, 90, 90

90, 121.01, 90.0

Resolution (Å)a

49.94 - 1.6 (1.657 - 1.6)

44.27 – 1.69 (1.752 - 1.691)

49.64 - 1.35 (1.398 - 1.35)

44.25 - 1.8 (1.864 - 1.8)

49.22 - 1.72 (1.782 - 1.72)

48.09 - 1.8 (1.864 - 1.8)

47.12 - 1.3 (1.35 - 1.303)

34.94 - 2.0 (2.12 – 2.00)

Rmergea

0.1661 (2.183)

0.1705 (1.244)

0.2549 (1.335)

0.1346 (0.9518)

0.101 (2.172)

0.04322 (0.53)

0.0548 (1.023)

0.100 (0.232)

Rmeasa

0.1793 (2.345)

0.1809 (1.378)

0.2568 (1.364)

0.1476 (1.115)

0.1086 (2.328)

0.04674 (0.5756)

0.05597 (1.057)

0.110 (0.270)

Rpima

0.06553 (0.839)

0.05976 (0.579)

0.03067 (0.2767)

0.05975 (0.5693)

0.03923 (0.8283)

0.01761 (0.2213)

0.0113 (0.2616)

0.0449 (0.1304)

Mean I/sigma (I)a

9.07 (2.33)

9.33 (1.57)

16.83 (2.11)

9.62 (1.99)

12.54 (0.95)

23.40 (3.05)

32.94 (2.56)

23.32 (11.35)

CC 1/2a

0.99 (0.55)

0.996 (0.567)

0.999 (0.835)

0.994 (0.73)

0.999 (0.524)

1 (0.9)

1 (0.837)

0.997 (0.961)

Completeness (%)a

97.22 (96.66)

98.06 (83.93)

99.98 (99.90)

90.98 (81.98)

99.70 (98.31)

98.89 (98.22)

99.91 (99.16)

98.9 (96.2)

Redundancya

7.2 (7.6)

8.7 (5.2)

61.1 (23.1)

5.0 (3.3)

7.5 (7.7)

6.9 (6.6)

23.7 (16.0)

5.89 (4.45)

Refinement

Resolution (Å)

49.94 - 1.6 (1.657 - 1.6)

44.27 - 1.691 (1.752 - 1.691)

49.64 - 1.35 (1.398 - 1.35)

44.25 - 1.8 (1.864 - 1.8)

49.22 - 1.72 (1.782 - 1.72)

48.09 - 1.8 (1.864 - 1.8)

47.12 - 1.303 (1.35 - 1.303)

34.94 - 2.0 (2.03 – 2.00)

No. reflectionsa

100909 (10010)

87087 (7453)

175655 (17545)

67329 (6065)

74542 (7273)

24243 (2368)

139006 (13653)

14932 (682)

Rworka/Rfree

0.1547 (0.2424)/0.1760 (0.2612)

0.1465 (0.2700)/0.1790 (0.3048)

0.1300 (0.2262)/0.1574 (0.2515)

0.1694 (0.3041)/0.2030 (0.3546)

0.1865 (0.3802)/ 0.2157 (0.3986)

0.1629 (0.2237)/0.2072 (0.3017)

0.1718 (0.2454) / 0.1956(0.2775)b

0.1959 (0.2268) / 0.2405 (0.1887)b

No. non-hydrogen atoms

7801

7645

8359

7279

5442

2711

 

1913

Protein

7057

6822

7161

6785

4911

2417

3479

1649

Ligand/ion

140

153

230

222

94

70

196

26

Water

586

670

968

272

437

224

2040

238

B-factors

29.23

27.28

20.09

52.57

41.32

36.95

25.89

11.37

Protein

28.5

26.1

18.17

52.2

40.85

36.95

19.42

9.42

Ligand/ion

48.56

50.48

38.12

65.86

53.36

40.68

56.23

19.49

Water

33.44

34

29.99

51.17

44.02

39.66

53.05

24.96

R.m.s. deviations

Bond lengths (Å)

0.005

0.009

0.011

0.006

0.006

0.013

0.017

0.018

Bond angles (°)

0.88

1.26

1.08

0.65

0.92

1.08

1.83

2.05

Ramachandran

favored

97.78

97.56

97.58

96.84

98.1

98.02

97.26

96.7

allowed

2.22

2.44

2.42

3.16

1.9

1.98

2.74

3.3

outliers

0

0

0

0

0

0

0

0

  1. X-ray data collection and refinement statistics for enzyme/inhibitor complexes.
  2. aValues in parentheses are for the highest-resolution shell.
  3. bRkick instead of Rfree.