General Information


DRAVP ID  DRAVPe01602

Peptide Name   Rex (1-21) -RTD

Sequence  MPKTRRRPRRSQRKRPPTPWPYGRKKRRQRRR

Sequence Length  32

UniProt ID  P0C207  P04612 

Source  Synthetic construct



Activity Information


Target Organism  HIV

Assay  MAGI assay

Activity 

  • [Ref.20580677]HIV-1 IIIB:inhibition of virus replication in PM1-CCR5 cells(EC50=2.5±0.76 μM);
  • HIV-1 Bal:inhibition of virus replication in PM1-CCR5 cells(EC50>10 μM).

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

Cytotoxicity 

  • No cytotoxicity information or data found in the reference(s) presented in this entry

Binding Target  Not found

Mechanism  Peptide derived from the RNA-binding domain of HIV-1 Rev can act as dual-target inhibitors that inhibit HIV-1 entry and viral production in the early and late phases of replication. 



Structure Information


PDB ID  None

Predicted Structure Download  DRAVPe01602

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C180H314N78O39S

Absent amino acids  ACDEFHILNV

Common amino acids  R

Mass  4227.03

Pl  12.74

Basic residues  17

Acidic residues  0

Hydrophobic residues  1

Net charge  17

Boman Index  -23030

Hydrophobicity  -292.5

Aliphatic Index  0

Half Life 

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

Extinction Coefficient cystines  6990

Absorbance 280nm  225.48

Polar residues  5



Literature Information


Literature 1

Title   Rev-derived peptides inhibit HIV-1 replication by antagonism of Rev and a co-receptor, CXCR4.

Pubmed ID   20580677

Reference   Int J Biochem Cell Biol. 2010 Sep;42(9):1482-8.

Author   Shimane K, Kodama EN, Nakase I, Futaki S, Sakurai Y, Sakagami Y, Li X, Hattori T, Sarafianos SG, Matsuoka M.

DOI   10.1016/j.biocel.2010.05.005