General Information


DRAVP ID  DRAVPe00341

Peptide Name   M-zodatoxin-Lt3a (M-ZDTX-Lt3a; Latarcin-3a, Ltc-3a; spiders, Arthropods, animals)

Sequence  SWKSMAKKLKEYMEKLKQRA

Sequence Length  20

UniProt ID  Q1ELU3 

Taxon ID  None

Source  Lachesana tarabaevi (Spider)

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 

Activity 

  • [Ref.20086159]HIV-1 IIIB:inhibition the cytopathic effects of HIV-1 infection in CEM-SS cells(EC50=32.7 μM).

Hemolytic Activity 

  • [Ref.16735513]20% hemolytic activity at >120 μM against rabbit erythrocytes

Cytotoxicity 

  • [Ref.20086159]CEM-SS cells:TC50(cause 50% Cell death) >40.3 µM.

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  DRAVPe00341

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C111H187N31O29S2

Absent amino acids  CDFGHINPTV

Common amino acids  K

Mass  2484.02

Pl  10.12

Basic residues  7

Acidic residues  2

Hydrophobic residues  5

Net charge  5

Boman Index  -5383

Hydrophobicity  -136

Aliphatic Index  49

Half Life 

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

Extinction Coefficient cystines  6990

Absorbance 280nm  367.89

Polar residues  3



Literature Information


Literature 1

Title   Identification of novel human immunodeficiency virus type 1-inhibitory peptides based on the antimicrobial peptide database.

Pubmed ID   20086159

Reference   Antimicrob Agents Chemother. 2010 Mar;54(3):1343-6.

Author   Wang G, Watson KM, Peterkofsky A, Buckheit RW Jr.

DOI   10.1128/AAC.01448-09

Literature 2

Title   Latarcins, antimicrobial and cytolytic peptides from the venom of the spider Lachesana tarabaevi (Zodariidae) that exemplify biomolecular diversity.

Pubmed ID   16735513

Reference   J Biol Chem. 2006 Jul 28;281(30):20983-209892.

Author   Kozlov SA, Vassilevski AA, Feofanov AV, Surovoy AY, Karpunin DV, Grishin EV.

DOI   10.1074/jbc.M602168200