Targeting SARS-CoV-2 spike protein by stapled hACE2 peptides.
SARS-CoV-2 Spike protein RBD interacts with the hACE2 receptor to initiate cell entry and infection. We set out to develop lactam-based i,i + 4 stapled hACE2 peptides targeting SARS-CoV-2. In vitro screening demonstrates the inhibition of the Spike protein RBD-hACE2 complex formation by the hACE221-55A36K-F40E stapled peptide (IC50: 3.6 ?M, ... Kd: 2.1 ?M), suggesting that hACE2 peptidomimetics could form the basis for the development of anti-COVID-19 therapeutics.
Mesh Terms:
Amino Acid Sequence, Angiotensin-Converting Enzyme 2, COVID-19, Humans, Peptides, Peptidomimetics, SARS-CoV-2, Spike Glycoprotein, Coronavirus
Amino Acid Sequence, Angiotensin-Converting Enzyme 2, COVID-19, Humans, Peptides, Peptidomimetics, SARS-CoV-2, Spike Glycoprotein, Coronavirus
Chem Commun (Camb)
Date: Apr. 04, 2021
PubMed ID: 33651072
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