Dermaseptin S4 [M4K][N20K]

General Information


DRACP ID  DRACP00487

Peptide Name   Dermaseptin S4 [M4K][N20K]

Sequence  ALWKTLLKKVLKAAAKAALKAVLVGANA

Sequence Length  28

UniProt ID  Not available

PubChem CID  Not available

Origin  Synthetic

Type  Synthetic peptide

Classification

  

Active ACP



Activity Information


Cell Line Disease Cancer Classified Activity Assay Testing Time Literature
HeLa Human papillomavirus-related endocervical adenocarcinoma Carcinoma CC50=27.92 µg/ml MTT assay 0.5, 3, 6h 1

Hemolytic Activity  Human erythrocytes: 50% Hemolysis=0.5±0.2 µM

Normal (non-cancerous) Cytotoxicity  Vero cells: 50% Cytotoxicity =25 µM

Target  Not available

Affinity  Not available

Mechanism  Not available

Nature  Anticancer; Antibacterial; Antifungal; Antiviral



Structure Information


PDB ID  Not available

Predicted Structure  DRACP00487

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  C135H238N36O31

Absent amino acids  CDEFHIMPQRSY

Common amino acids  A

Mass  334343

Pl  11.5

Basic residues  6

Acidic residues  0

Hydrophobic residues  19

Net charge  6

Boman Index  1869

Hydrophobicity  81.07

Aliphatic Index  146.79

Half Life 
  Mammalian: 4.4 hour
  Yeast: >20 hour
  E.coli: >10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  203.7

Polar residues  3

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 11847217

Title  Structural requirements for potent versus selective cytotoxicity for antimicrobial dermaseptin S4 derivatives

Doi 10.1074/jbc.M111071200

Year  2002

Patent

Patent ID Not available

Patent Title  Not available

Other Iinformation  Not available

Other Published ID  Not available




DRACP is developed by Dr.Zheng's team.