General Information


DRAVP ID  DRAVPe01541

Peptide Name   GI-20X17

Sequence  GIKEXKRIVQRIKDFLRNLV

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>40.6 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=7.3 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  No predicted structure available

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  The 'X' at position 5 is phenylglycine

Stereochemistry  L



Physicochemical Information


Formula  C105H183N33O25

Absent amino acids  ACHMPSTWY

Common amino acids  IKR

Mass  2437.16

Pl  11

Basic residues  6

Acidic residues  2

Hydrophobic residues  8

Net charge  4

Boman Index  -5252

Hydrophobicity  -36.5

Aliphatic Index  126.5

Half Life 

  •     Mammalian:30 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  2



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