General Information


DRAVP ID  DRAVPe00351

Peptide Name   Maximin-5 (Toads, amphibians, animals)

Sequence  SIGAKILGGVKTFFKGALKELASTYLQ

Sequence Length  27

UniProt ID  P83084  Q58T60  Q58T61 

Source  Bombina maxima (Giant fire-bellied toad) (Chinese red belly toad)



Activity Information


Target Organism  HIV

Assay 

Activity 

  • [Ref.11835991]HIV-1:inhibition the cytopathic effects of HIV-1 (IC50=34.4 µg/ml, EC50=39.8 µg/ml).
  • NOTE: IC50 means the concentration that can inhibit 50% growth of cells. EC50 was defined as the concentration of antiviral agent reducing HIV-1 replication by 50%.

Hemolytic Activity 

  • [Ref:11835991]Little hemolytic activity at 50 μg/ml against red blood cells

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

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  DRAVPe00351

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C133H218N32O36

Absent amino acids  CDHMNPRW

Common amino acids  GKL

Mass  2841.39

Pl  9.82

Basic residues  4

Acidic residues  1

Hydrophobic residues  12

Net charge  3

Boman Index  208

Hydrophobicity  40.37

Aliphatic Index  108.52

Half Life 

  •     Mammalian:1.9 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  1490

Absorbance 280nm  57.31

Polar residues  9



Literature Information


Literature 1

Title   Antimicrobial peptides from skin secretions of Chinese red belly toad Bombina maxima.

Pubmed ID   11835991

Reference   Peptides. 2002 Mar;23(3):427-435.

Author   Lai R, Zheng YT, Shen JH, Liu GJ, Liu H, Lee WH, Tang SZ, Zhang Y.

DOI