General Information


DRAVP ID  DRAVPe02274

Peptide Name   Lunatusin

Sequence  KTCENLADTFRGPCFATSNC

Sequence Length  20

UniProt ID  No entry found

Taxon ID  None

Source  Phaseolus lunatus L. (lima bean)

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  HIV

Assay  ELISA

Activity 

  • [Ref:16269344]HIV-1: IC50=120 μM

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

Cytotoxicity 

  • [Ref:16269344]The findings indicate that lunatusin was devoid of cytotoxicity on mammalian splenocytes at concentrations below 50 μM.

Binding Target  Not Found

Mechanism  This 7 kDa isolate can reduce the activity of 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  C90H140N26O31S3

Absent amino acids  HIMOQUVWY

Common amino acids  CT

Mass  2178.44

Pl  6.05

Basic residues  2

Acidic residues  2

Hydrophobic residues  5

Net charge  0

Boman Index  2.05

Hydrophobicity  -0.34

Aliphatic Index  29.5

Half Life 

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

Extinction Coefficient cystines  125

Absorbance 280nm  0.057

Polar residues  13



Literature Information


Literature 1

Title   Lunatusin, a trypsin-stable antimicrobial peptide from lima beans (Phaseolus lunatus L.)

Pubmed ID   16269344

Reference   Peptides, 26(11), 2086–2092.

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

DOI   10.1016/j.peptides.2005.03.004