Dermaseptin S4 (5-28)

General Information


DCTPep ID  DCTPep00489

Peptide Name   Dermaseptin S4 (5-28)

Sequence  TLLKKVLKAAAKAALNAVLVGANA

Sequence Length  24

UniProt ID  Not available

PubChem CID  Not available

Origin  Synthetic

Type  Synthetic peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
HeLa Human papillomavirus-related endocervical adenocarcinoma 50% Cytotoxicity=103.11 µg/ml MTT assay 0.5, 3, 6h 1

Hemolytic Activity  Human erythrocytes: 50% Hemolysis=16.5±0.5 µM;

Normal (non-cancerous) Cytotoxicity  Vero cells: 50% Cytotoxicity =34 µM

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00489

(Please note that there is the predicted structure, predicted by AlphaFold)

Helicity  Not available

Linear/Cyclic  Linear

Disulfide/Other Bond  Not available

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C107H194N30O28

Absent amino acids  CDEFHIMPQRSWY

Theoretical pI  10.48

Acidic residues  0

Basic residues  4

Polar residues  4

Molecular weight (Average)  2348.9

Molecular weight (Monoisotopic)  2347.47

Common amino acids  A

Net charge  4

Instability index (II)  -8.1

Aliphatic index  150.83

Grand average of hydropathicity (GRAVY)  0.929

Half Life 
  7.2 hours (mammalian reticulocytes, in vitro).
  >20 hours (yeast, in vivo).
  >10 hours (Escherichia coli, in vivo).

Extinction coefficients 
  Should not be visible by UV spectrophotometry.

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 24492362

Title  In vitro activities of dermaseptins K4S4 and K4K20S4 against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa planktonic growth and biofilm formation

Doi 10.1128/AAC.02142-13

Year  2014

Literature 2

Pubmed ID 10660589

Title  Structure-activity relationship study of antimicrobial dermaseptin S4 showing the consequences of peptide oligomerization on selective cytotoxicity

Doi 10.1074/jbc.275.6.4230

Year  2000

Literature 3

Pubmed ID 23161023

Title  In vitro antiviral activity of dermaseptin S(4) and derivatives from amphibian skin against herpes simplex virus type 2

Doi 10.1002/jmv.23450

Year  2013

Patent

Patent ID Not available

Patent Title  Not available

Other Iinformation  Not available

Other Published ID  Not available




DCTPep is developed by Dr.Zheng's team.