General Information
DRAVP ID DRAVPe00560
Peptide Name P21S9
Sequence LDLTYEMLSLQQVVXALNXSY
Sequence Length 21
UniProt ID No entry found
Source Synthetic construct
Activity Information
Target Organism MERS-CoV
Assay Inhibition of MERS-CoV S-Protein-Mediated Cell–Cell Fusion Assay
Activity
Hemolytic Activity No hemolysis information or data found in the reference(s) presented in this entry
Cytotoxicity
Binding Target membrane
Mechanism The peptide inhibits MERS-CoV infection and its spike (S) protein-mediated cell–cell fusion.
Structure Information
PDB ID None
Predicted Structure Download No predicted structure available
Linear/Cyclic Cyclic
N-terminal Modification Acetylation
C-terminal Modification Amidation
Other Modification ①The 'X' (position: 15 and 19) in sequence indicates S5 stapling amino acid. Note: S5 is (S)-pentenyl alanine. ②X (15) and X (19) are cross-linked by hydrocarbon stapling.
Stereochemistry L
Physicochemical Information
Formula C99H154N22O30S
Absent amino acids CFGHIKPRW
Common amino acids L
Mass 2423.19
Pl 3.67
Basic residues 0
Acidic residues 2
Hydrophobic residues 8
Net charge -2
Boman Index -606
Hydrophobicity 41.43
Aliphatic Index 125.24
Half Life
Extinction Coefficient cystines 2980
Absorbance 280nm 149
Polar residues 6
Literature Information
Literature 1
Title Discovery of Hydrocarbon-Stapled Short α-Helical Peptides as Promising Middle East Respiratory Syndrome Coronavirus (MERS-CoV) Fusion Inhibitors.
Pubmed ID 29442512
Reference J Med Chem. 2018 Mar 8;61(5):2018-2026.
Author Wang C, Xia S, Zhang P, Zhang T, Wang W, Tian Y, Meng G, Jiang S, Liu K.