NK01-63   Click here for help

GtoPdb Ligand ID: 12228

Synonyms: coronastat
PDB Ligand
Compound class: Synthetic organic
Comment: NK01-63 is an analogue of the coronavirus Mpro inhibitor GC-376 [1-2] that is active against SARS-CoV-2 in biochemical and cellular assays. We show the parent molecule here, but NK01-63 may be formulated as the sodium adduct.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 11
Hydrogen bond donors 5
Rotatable bonds 15
Topological polar surface area 179.51
Molecular weight 553.55
XLogP 1.25
No. Lipinski's rules broken 3
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Canonical SMILES CC(C[C@@H](C(=O)N[C@H](C(S(=O)(=O)O)O)C[C@@H]1CCNC1=O)NC(=O)OCc1cccc(c1)C(F)(F)F)C
Isomeric SMILES CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OCc1cc(ccc1)C(F)(F)F
InChI InChI=1S/C22H30F3N3O8S/c1-12(2)8-16(28-21(32)36-11-13-4-3-5-15(9-13)22(23,24)25)19(30)27-17(20(31)37(33,34)35)10-14-6-7-26-18(14)29/h3-5,9,12,14,16-17,20,31H,6-8,10-11H2,1-2H3,(H,26,29)(H,27,30)(H,28,32)(H,33,34,35)/t14-,16-,17-,20?/m0/s1
Bioactivity Comments
NK01-63 inhibits SARS-CoV-2 viral replication in Huh-7ACE2 cells with an EC50 of 6 nM [2].
Selectivity at other protein targets
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
CoV 3C-like (main) protease SARS-CoV-2 Inhibitor Inhibition 7.8 pIC50 - 2
pIC50 7.8 (IC50 1.6x10-8 M) [2]