General Information
-
DRAMP ID
- DRAMP29311
-
Peptide Name
- HKU4-HR2P1
-
Source
- Synthetic construct
-
Family
- Not found
-
Gene
- Not found
-
Sequence
- GPNFAEISKINTTLLDLSDEMAMLLQEVVKQLNDSYI
-
Sequence Length
- 37
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial,Antiviral
-
Target Organism
-
- [Ref.30646495]Virus:MERS-CoV:inhibition of cell-cell fusion between 293T cells and Huh-7 cells(IC50=1.09 μM);
- MERS-CoV Q1020:inhibition of Pseudovirus Infection in Huh-7 cells(IC50=2.15 μM);
- MERS-CoV Q1020H:inhibition of Pseudovirus Infection in Huh-7 cells(IC50=2.72 μM).
-
Hemolytic Activity
-
- No hemolysis information or data found in the reference(s) presented in this entry
-
Cytotoxicity
-
- [Ref.30646495]No cytotoxicity against Huh-7 cells up to 100 μM.
-
Binding Target
- membrane
Structure Information
-
Linear/Cyclic
- Linear
-
N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- None
-
Stereochemistry
- L
-
Structure
- α-helix
-
Structure Description
- 10.5%-13.5% α-helix determined by circular dichroism (CD).
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- There is no predicted structure for DRAMP29311.
Physicochemical Information
-
Formula
- C183H298N44O61S2
Absent Amino Acids
- CHRW
Common Amino Acids
- L
Mass
- 4154.76
PI
- 4.02
Basic Residues
- 2
Acidic Residues
- 6
Hydrophobic Residues
- 14
Net Charge
- -4
-
Boman Index
- -3957
Hydrophobicity
- 0.041
Aliphatic Index
- 115.95
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 1490
Absorbance 280nm
- 41.39
Polar Residues
- 10
DRAMP29311

Comments Information
Mechanism
- The peptide bind with HR1 of MERS-CoV and thus disrupting the process of MERS-6HB formation can inhibit virus–cell membrane fusion and abolish viral infection.
Literature Information
- ·Literature 1
-
Title
- Potent MERS-CoV Fusion Inhibitory Peptides Identified from HR2 Domain in Spike Protein of Bat Coronavirus HKU4.
-
Pubmed ID
- 30646495
-
Reference
- Viruses. 2019 Jan 14;11(1):56. doi: 10.3390/v11010056
-
Author
- Xia S, Lan Q, Pu J, Wang C, Liu Z, Xu W, Wang Q, Liu H, Jiang S, Lu L.