General Information


DRAVP ID  DRAVPe02300

Peptide Name   Sesquin

Sequence  KTCENLADTY

Sequence Length  10

UniProt ID  P84868 

Taxon ID  138955 

Source  Seeds, Vigna sesquipedalis, ground beans.

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Not Available

GenBank  Not Available

Amino Acid position  1 to 10

Domain Accession ID  Not Available

Nucleotide sequence ID  Not Available

Molecular Type  Not Available

Chromosomal Position  Not Available



Activity Information


Target Organism  HIV-1

Assay  HIV reverse transcriptase inhibitory activity Assay

Activity 

  • [Ref:15949629]HIV-1:(% inhibition at 50 μM) = 35 ± 3%,(% inhibition at 100 μM) = 45 ± 5%,(% inhibition at 200 μM) = 61 ± 2%.

Hemolytic Activity  No hemolysis information or data found in the reference(s) presented in this entry

Cytotoxicity  No cytotoxicity information found in the reference(s) presented

Binding Target  Not Found

Mechanism  it inhibits HIV-1 reverse transcriptase.



Structure Information


PDB ID  None

Predicted Structure Download 

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C48H76N12O19S1

Absent amino acids  FGHIMOPQRSUVW

Common amino acids  T

Mass  1157.26

Pl  4.37

Basic residues  1

Acidic residues  2

Hydrophobic residues  2

Net charge  -1

Boman Index  2.49

Hydrophobicity  -0.9

Aliphatic Index  49

Half Life 

  •     Mammalian:1.3 hours
  •     Yeast:3min
  •     E.coli:3min

Extinction Coefficient cystines  1490

Absorbance 280nm  1.288

Polar residues  8



Literature Information


Literature 1

Title   Sesquin, a potent defensin-like antimicrobial peptide from ground beans with inhibitory activities toward tumor cells and HIV-1 reverse transcriptase

Pubmed ID   15949629

Reference    Peptides, 26(7), 1120–1126.

Author   Wong, J. H., & Ng, T. B. (2005). 

DOI   10.1016/j.peptides.2005.01.003