General Information


DRAVP ID  DRAVPe01532

Peptide Name   KR-20

Sequence  KRIVQRIKDFLRNLVPRTES

Sequence Length  20

UniProt ID  No entry found

Source  Synthetic construct(derived from human cathelicidin LL-37)



Activity Information


Target Organism  HIV

Assay 

Activity 

  • [Ref.18591279]HIV-1IIIB:inhibition the cytopathic effect of HIV in CEM-SS cells(EC50>40.5 μM).(EC50:50% effective concentration for inhibition of virus replication)

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

Cytotoxicity 

  • [Ref.18591279]CEM-SS cells:TC50>40.5 μM.(TC50:the concentration that reduced cell viability by 50%)

Binding Target  Not found

Mechanism  No machanism information found in the reference(s) presented in this entry



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe01532

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C109H190N36O29

Absent amino acids  ACGHMWY

Common amino acids  R

Mass  2468.93

Pl  11.55

Basic residues  6

Acidic residues  2

Hydrophobic residues  7

Net charge  4

Boman Index  -7372

Hydrophobicity  -75.5

Aliphatic Index  107

Half Life 

  •     Mammalian:1.3 hour
  •     Yeast:3 min
  •     E.coli:2 min

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  3



Literature Information


Literature 1

Title   Anti-human immunodeficiency virus type 1 activities of antimicrobial peptides derived from human and bovine cathelicidins.

Pubmed ID   18591279

Reference   Antimicrob Agents Chemother. 2008 Sep;52(9):3438-40. 

Author   Wang G, Watson KM, Buckheit RW Jr. 

DOI   10.1128/AAC.00452-08