General Information
DRAVP ID DRAVPe00556
Peptide Name P21S5
Sequence LDLTYEMXSLQXVVKALNESY
Sequence Length 21
UniProt ID No entry found
Taxon ID None
Source Synthetic construct
Validation Experimentally Validated
Origin Information
Gene Name/ID Not Available
GenBank Not Available
Amino Acid position Not Available
Domain Accession ID Not Available
Nucleotide sequence ID Not Available
Molecular Type Not Available
Chromosomal Position Not Available
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: 8 and 12) in sequence indicates S5 stapling amino acid. Note: S5 is (S)-pentenyl alanine. ②X (8) and X (12) are cross-linked by hydrocarbon stapling.
Stereochemistry L
Physicochemical Information
Formula C99H154N22O31S
Absent amino acids CFGHIPRW
Common amino acids L
Mass 2439.19
Pl 4.14
Basic residues 1
Acidic residues 3
Hydrophobic residues 7
Net charge -2
Boman Index -1780
Hydrophobicity 4.76
Aliphatic Index 106.67
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.