Table 1 Comparison of DV-19-2a with current benchmark SARS-CoV-2 3CL protease non-covalent inhibitors

From: Development of small molecule non-covalent coronavirus 3CL protease inhibitors from DNA-encoded chemical library screening

Compound

SARS-CoV-2 3CLpro IC50 (µM)

SARS-CoV-2 antiviral EC50 (µM)

Off-target effects on human proteases

Pan- Coronavirus Activity

Resolution of co-crystal structure with SARS-CoV-2 3CLpro (Å)

Reference

Analog 29

0.04

0.3

IC50>10µM on a panel of human proteases

SARS-CoV

MERS-CoV

1.52

 

S‐217622 (Ensitrelvir)

0.01

0.1

IC50>100µM on a panel of human proteases

SARS-CoV

MERS-CoV

HCoV-OC43

HCoV-229E

1.80

(7VU6)

Journal of Medicinal Chemistry

20229

WU-04

0.02

0.03

Not determined

SARS-CoV

MERS-CoV

1.83

(7EN8)

ACS central science

202322

CCF981

0.05

0.3

Not determined

Not determined

Not determined

Journal of Medicinal Chemistry

202223

GC-14

0.05

1.0

IC50>50µM on a panel of human proteases

SARS-CoV

1.40

(8ACL)

Journal of Medicinal Chemistry

202224

JZD-07

0.15

0.82

IC50>100µM on a panel of human proteases

Not determined

1.80

(8GTV)

Signal Transduction and Targeted Therapy

202325

Compound

11a

102

Not determined

Not determined

Not determined

Not determined

Pharmaceuticals

202226

Compound

23R

(Jun8-76-3A)

0.2

1.3

IC50 = 6 µM (calpain 1) IC50 = 11 µM (cathepsin L)

SARS-CoV

2.60

(7KX5)

Journal of American Chemical

Society

202127

ML188

2.5

13

Not determined

SARS-CoV

2.39

(7L0D)

Viruses

202128

Compound 7

5.7

40

Not determined

Not determined

Not determined

Bioorganic & Medicinal Chemistry Letters

202129

  1. Note: Properties equivalent to or better than Analog 29 are highlighted in bold font. The above IC50 and EC50 values of Analog 29, S-217622, WU-04, CCF981, and GC-14 were measured side-by-side in this study.