EK-1-C4 
GtoPdb Ligand ID: 11501
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Synonyms: EK1C4
Compound class:
Peptide or derivative
Comment: This is the lipopeptide version of EK-1 [1]. It has cholesterol fused at the C terminal via a short peptide linker and a flexible polyethylene glycol (PEG) spacer. Like EK-1 it acts as a viral fusion inhibitor that blocks infection by a range of human coronavirus pseudoviruses and live viruses, including SARS-Co-V and SARS-CoV-2. It is significantly more potent than EK-1, and is active in vitro and in vivo.
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| Bioactivity Comments |
| EK-1-C4 inhibits SARS-CoV-2 S protein-mediated membrane fusion and pseudovirus infection with IC50s of 1.3 and 15.8 nM respectively. |
| Selectivity at other protein targets | ||||||||||||||||||||||||||||||||||
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