General Information


DRAVP ID  DRAVPe01812

Peptide Name   Smp76

Sequence  GWINEKKMQQKIDEKIGKNIIGGMAKAVIHKMAKNEFQCVANVDTLGNCKKHCAKTTGEKGYCHGTKCKCGIELSY

Sequence Length  76

UniProt ID  No entry found

Taxon ID  None

Source  Scorpio maurus palmatu

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  DENV

Assay  Plaque assay

Activity 

  • [Ref.32435168]Dengue Virus(DENV):inhibition of viral infection in Vero/SLAM cells(IC50= 0.01 μg/ml).

Hemolytic Activity 

  • [Ref.32435168]human red blood cells:HC50>10 μg/ml.

Cytotoxicity 

  • [Ref.32435168]Huh7it-1 cells:CC50>10 μg/ml.

Binding Target  Not found

Mechanism  No mechanism information found in the reference(s).



Structure Information


PDB ID  None

Predicted Structure Download  No predicted structure available

Linear/Cyclic  Cyclic

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  Disulfide bonds between Cys39 and Cys63, Cys49 and Cys68, Cys53 and Cys70.

Stereochemistry  L



Physicochemical Information


Formula  C362H595N105O106S9

Absent amino acids  PR

Common amino acids  K

Mass  8402.89

Pl  9.22

Basic residues  17

Acidic residues  7

Hydrophobic residues  19

Net charge  10

Boman Index  -11300

Hydrophobicity  -56.84

Aliphatic Index  64.21

Half Life 

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

Extinction Coefficient cystines  8855

Absorbance 280nm  118.07

Polar residues  27



Literature Information


Literature 1

Title   Smp76, a Scorpine-Like Peptide Isolated from the Venom of the Scorpion Scorpio maurus palmatus, with a Potent Antiviral Activity Against Hepatitis C Virus and Dengue Virus.

Pubmed ID   32435168

Reference   Int J Pept Res Ther. 2020;26(2):811-821.

Author   El-Bitar AMH, Sarhan M, Abdel-Rahman MA, Quintero-Hernandez V, Aoki-Utsubo C, Moustafa MA, Possani LD, Hotta H.

DOI   10.1007/s10989-019-09888-2