di-PST13-RK-C

General Information


DCTPep ID  DCTPep00201

Peptide Name   di-PST13-RK-C

Sequence  KKKFPWWWPFKKKCKKKFPWWWPFKKKC

Sequence Length  28

UniProt ID  Not available

PubChem CID  Not available

Origin  Derivative of tritrpticin

Type  Native peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
MDA-MB-361 Breast adenocarcinoma IC50=10 µg/ml MTT assay Not available 1
A549 Lung adenocarcinoma IC50=15 µg/ml MTT assay Not available 1
A549 Lung adenocarcinoma IC50=17 µg/ml MTT assay Not available 1
MDA-MB-361 Breast adenocarcinoma IC50=17 µg/ml MTT assay Not available 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  NIH-3T3 (mouse): IC50=20 µg/ml

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00201

(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  Amidation

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C200H280N46O29S2

Absent amino acids  ADEGHILMNQRSTVY

Theoretical pI  10.49

Acidic residues  0

Basic residues  12

Polar residues  2

Molecular weight (Average)  3856.83

Molecular weight (Monoisotopic)  3854.13

Common amino acids  K

Net charge  12

Instability index (II)  24.36

Aliphatic index  0.00

Grand average of hydropathicity (GRAVY)  -1.514

Half Life 
  1.3 hours (mammalian reticulocytes, in vitro).
  3 min (yeast, in vivo).
  3 min (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 33125
  Abs 0.1% (=1 g/l) 8.589, assuming all pairs of Cys residues form cystines
  Ext. coefficient 33000
  Abs 0.1% (=1 g/l) 8.556, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 18815734

Title  Effect of dimerization of a beta-turn antimicrobial peptide, PST13-RK, on antimicrobial activity and mammalian cell toxicity

Doi 10.1007/s10529-008-9848-5

Year  2009

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.