General Information


DRAVP ID  DRAVPe01764

Peptide Name   SARS-CoV-2-S(1168–1203)-GSGSGC

Sequence  DISGINASVVNIQKEIDRLNEVAKNLNESLIDLQELGSGSGC

Sequence Length  42

UniProt ID  P0DTC2 

Source  Synthetic construct



Activity Information


Target Organism  SARS-CoV-2

Assay  Cell-cell fusion assay,infectivity assay

Activity 

  • [Ref.33082259]SARS-CoV-2:ihibition of cell-cell fusion in 293T cells(IC50=10±8 nM,IC90=98±57 nM),inhibition of infection in Vero E6 cells(IC50~ 6 nM);
  • SARS-CoV-2_D614G:ihibition of cell-cell fusion in 293T cells(IC50=8±4 nM,IC90=96±50 nM);
  • SARS-CoV-2_S943P:ihibition of cell-cell fusion in 293T cells(IC50=6±4 nM,IC90=75±42 nM);
  • SARS-CoV-2_S247R:ihibition of cell-cell fusion in 293T cells(IC50=9±7 nM,IC90=78±59 nM);
  • MERS-CoV:ihibition of cell-cell fusion in 293T cells(IC50=35±10 nM,IC90>1000 nM),inhibition of infection in Vero E6 cells(IC50~ 3 nM);
  • SARS-CoV-1:ihibition of cell-cell fusion in 293T cells(IC50=7±5 nM,IC90=43±6 nM).

Hemolytic Activity  No hemolysis information or data found in the reference(s) presented in this entry

Cytotoxicity 

  • [Ref.33082259]Human embryonic kidney HEK293T cells:18% Cytotoxicity at 10 µM;Vero E6 cells:12% Cytotoxicity at 1 µM,30% Cytotoxicity at 10 µM;Human airway epithelial cells:25% Cytotoxicity at 1 µM.

Binding Target  membrane

Mechanism  The lipopeptide is derived from the C-terminal heptad repeat (HRC) domain of SARS-CoV-2 S that potently inhibits infection by SARS-CoV-2.



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C187H316N54O69S

Absent amino acids  FHMPTWY

Common amino acids  ILNS

Mass  4456.95

Pl  4.2

Basic residues  3

Acidic residues  7

Hydrophobic residues  15

Net charge  -4

Boman Index  -7072

Hydrophobicity  -15.95

Aliphatic Index  118.33

Half Life 

  •     Mammalian:1.1 hour
  •     Yeast:3 min
  •     E.coli:>10 hour

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  15



Literature Information


Literature 1

Title   Inhibition of Coronavirus Entry In Vitro and Ex Vivo by a Lipid-Conjugated Peptide Derived from the SARS-CoV-2 Spike Glycoprotein HRC Domain.

Pubmed ID   33082259

Reference   mBio. 2020 Oct 20;11(5):e01935-20.

Author   Outlaw VK, Bovier FT, Mears MC, Cajimat MN, Zhu Y, Lin MJ, Addetia A, Lieberman NAP, Peddu V, Xie X, Shi PY, Greninger AL, Gellman SH, Bente DA, Moscona A, Porotto M.

DOI   10.1128/mBio.01935-20

Literature 2

Title   Intranasal fusion inhibitory lipopeptide prevents direct-contact SARS-CoV-2 transmission in ferrets.

Pubmed ID   33597220

Reference   Science. 2021 Mar 26;371(6536):1379-1382.

Author   de Vries RD, Schmitz KS, Bovier FT, Predella C, Khao J, Noack D, Haagmans BL, Herfst S, Stearns KN, Drew-Bear J, Biswas S, Rockx B, McGill G, Dorrello NV, Gellman SH, Alabi CA, de Swart RL, Moscona A, Porotto M.

DOI   10.1126/science.abf4896