P144

General Information


DCTPep ID  DCTPep00604

Peptide Name   P144

Sequence  TSLDASIWAMMQNA

Sequence Length  14

UniProt ID  Not available

PubChem CID  Not available

Origin  derived from the extracellular sequence of the human TGF-β type III receptor

Type  Native peptide

Classification

  

ACP Tumor active peptide Cancer targeted peptides



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
U-87MG ATCC Glioblastoma IC50=16.34±1.47 µg/mL MTT assay 48h 1
A172 Glioblastoma IC50=21.96±3.68 µg/mL  MTT assay 48h 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Transforming Growth Factor beta

Affinity  Not available

Mechanism  P144 induced an upregulation of SMAD7 and downregulation of SKI through inhibition of the TGF-β pathway.



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00604

(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  C65H103N17O22S2

Absent amino acids  CEFGHKPRVY

Theoretical pI  3.80

Acidic residues  1

Basic residues  0

Polar residues  4

Molecular weight (Average)  1538.75

Molecular weight (Monoisotopic)  1537.69

Common amino acids  A

Net charge  -1

Instability index (II)  -8.89

Aliphatic index  77.14

Grand average of hydropathicity (GRAVY)  0.271

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

Extinction coefficients 
  Ext. coefficient 5500
  Abs 0.1% (=1 g/l) 3.574

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 27473823

Title  P144, a Transforming Growth Factor beta inhibitor peptide, generates antitumoral effects and modifies SMAD7 and SKI levels in human glioblastoma cell lines

Doi 10.1016/j.canlet.2016.07.029

Year  2016

Literature 2

Pubmed ID 12946101

Title  A synthetic peptide from transforming growth factor beta type III receptor inhibits liver fibrogenesis in rats with carbon tetrachloride liver injury

Doi 10.1016/s1043-4666(03)00101-7

Year  2003

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.