• DRAMP ID

    • DRAMP29162
    • Peptide Name

    • EKL1C
    • Source

    • Synthetic construct
    • Family

    • Not found
    • Gene

    • Not found
    • Sequence

    • NVTFLDLEYEMKKLEEAIKKLEESYIDLKELGTYEYGSGC
    • Sequence Length

    • 40
    • UniProt Entry

    • No entry found
    • Protein Existence

    • Not found
    • Biological Activity

    • Antimicrobial, Antiviral(SARS-CoV-2)
    • Target Organism

      • [Ref.35087243]Virus:
      • SARS-CoV-2 Omicron:inhibition of cell-cell fusion in Calu-3 cells(IC50=12.18 nM);inhibition of cell-cell infusion in Caco2 cells(IC50=5.52 nM);inhibition of infection(Pseudovirus)(IC50=26.14 nM);inhibition of infection(Authentic)(IC50=182.2 nM);
      • SARS-CoV-2 Delta:inhibition of cell-cell fusion(IC50=14.42 nM);inhibition of infection(Pseudovirus)(IC50=31.99 nM);
      • SARS-CoV-2 D614G:inhibition of cell-cell fusion(IC50=11.77 nM);inhibition of infection(Pseudovirus)(IC50=23.6 nM).
      • [Ref.34367893]Virus:
      • SARS-CoV-2:Inhibition of Pseudovirus(PsV) infection in Huh-7 cells(IC50=0.045±0.006 μmol/L),Inhibition of Pseudovirus(PsV) infection in 293T/ACE2 cells(IC50=0.037±0.009 μmol/L),Inhibition of Pseudovirus(PsV) infection in Caco-2 cells(IC50=0.040±0.005 μmol/L),inhibition of cell-cell fusion(IC50=0.008±0.001 μmol/L);inhibited authentic SARS-CoV-2 infection in Vero E6 cells(IC50=0.003±0.001 μmol/L);
      • SARS-CoV-2 variants(inhibition of Pseudovirus(PsV) infection):V341L(IC50=0.047±0.013 μmol/L);F342L(IC50=0.026±0.007 μmol/L);V367F(IC50=0.066±0.012 μmol/L);R408I(IC50=0.148±0.012 μmol/L);N435D(IC50=0.135±0.013 μmol/L);G476S(IC50=0.065±0.008 μmol/L);V483A(IC50=0.078±0.011 μmol/L);N501Y(IC50=0.069±0.006 μmol/L);D614G(IC50=0.104±0.010 μmol/L);12 mutations(P.1)(IC50=0.046±0.006 μmol/L);K417N-E484K-N501Y(IC50=0.113±0.013 μmol/L);8 mutations(B.1.1.7)(IC50=0.120±0.009 μmol/L);wide type(IC50=0.049±0.007 μmol/L);
      • inhibition of multiple HCoV Pseudovirus:SARS-CoV (IC50=0.076±0.014 μmol/L), MERS-CoV(IC50=0.048±0.006 μmol/L), HCoV-OC43(IC50=0.668±0.081 μmol/L), HCoV-NL63(IC50=0.035±0.003 μmol/L), SARSr-CoV-WIV1(IC50=0.218±0.013 μmol/L), and HCoV-Rs3367 (IC50=0.046±0.003 μmol/L),inhibition of authentic HCoV-OC43 infection in RD cells (IC50=0.281±0.018 μmol/L).
    • Hemolytic Activity

      • No hemolysis information or data found in the reference(s) presented in this entry
    • Cytotoxicity

      • [Ref.34367893]Huh-7 cells:CC50=10 μmol/L;Caco-2 cells:CC50=13.81 μmol/L;293T/ACE2 cells:CC50=8.49 μmol/L.
    • Binding Target

    • liposomes
    • Linear/Cyclic

    • Linear
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Chol
    • Nonterminal Modifications and Unusual Amino Acids

    • None
    • Stereochemistry

    • L
    • Structure

    • Not found
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP29162 helical wheel diagram
    • PDB ID

    • None
    • Predicted Structure

    • There is no predicted structure for DRAMP29162.
    • Formula

    • C211H328N46O70S2
    • Absent Amino Acids

    • HPQRW
    • Common Amino Acids

    • E
    • Mass

    • 4693.31
    • PI

    • 4.39
    • Basic Residues

    • 5
    • Acidic Residues

    • 10
    • Hydrophobic Residues

    • 11
    • Net Charge

    • -5
    • Boman Index

    • -6417
    • Hydrophobicity

    • -0.56
    • Aliphatic Index

    • 87.75
    • Half Life

      • Mammalian:1.4 hour
      • Yeast:3 min
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 5960
    • Absorbance 280nm

    • 152.82
    • Polar Residues

    • 13

DRAMP29162

DRAMP29162 chydropathy plot
    • EKL1C is a Peptide-based pan-CoV fusion inhibitor,targets a highly conserved target site in HR1 domains in S protein of HCoVs.

  • ·Literature 1
    • Title

    • Peptide-based pan-CoV fusion inhibitors maintain high potency against SARS-CoV-2 Omicron variant.
    • Reference

    • Cell Res. 2022 Apr;32(4):404-406.
    • Author

    • Xia S, Chan JF, Wang L, Jiao F, Chik KK, Chu H, Lan Q, Xu W, Wang Q, Wang C, Yuen KY, Lu L, Jiang S.
  • ·Literature 2
    • Title

    • A highly potent and stable pan-coronavirus fusion inhibitor as a candidate prophylactic and therapeutic for COVID-19 and other coronavirus diseases.
    • Reference

    • Acta Pharm Sin B. 2021 Aug 2.
    • Author

    • Zhou J, Xu W, Liu Z, Wang C, Xia S, Lan Q, Cai Y, Su S, Pu J, Xing L, Xie Y, Lu L, Jiang S, Wang Q.