General Information
-
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
Activity Information
-
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
Structure Information
-
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
-
PDB ID
- None
-
Predicted Structure
- There is no predicted structure for DRAMP29162.
Physicochemical Information
-
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
Comments Information
EKL1C is a Peptide-based pan-CoV fusion inhibitor,targets a highly conserved target site in HR1 domains in S protein of HCoVs.
Literature Information
- ·Literature 1
-
Title
- Peptide-based pan-CoV fusion inhibitors maintain high potency against SARS-CoV-2 Omicron variant.
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Pubmed ID
- 35087243
-
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.
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Pubmed ID
- 34367893
-
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.