Dermaseptin-PH

General Information


DCTPep ID  DCTPep00800

Peptide Name   Dermaseptin-PH

Sequence  ALWKEVLKNAGKAALNEINNLVQ

Sequence Length  23

UniProt ID  Not available

PubChem CID  Not available

Origin  Phyllomedusa hypochondrialis

Type  Native peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
MCF-7 Invasive breast carcinoma of no special type IC50=0.69µM MTT assay 24h 1
PC-3 Prostate carcinoma IC50=11.8µM MTT assay 24h 1
NCI-H157 Lung squamous cell carcinoma IC50=2.01µM MTT assay 24h 1
U-251MG Astrocytoma IC50=2.36µM MTT assay 24h 1
MDA-MB-435S Amelanotic melanoma IC50=9.94µM MTT assay 24h 1

Hemolytic Activity  Horse erythrocytes: 1% Hemolysis=16µM; 3% Hemolysis=64µM; 10% Hemolysis=128µM; 45% Hemolysis=256µM; 100% Hemolysis=512µM

Normal (non-cancerous) Cytotoxicity  HMEC-1: IC50=4.85µM

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00800

(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  C114H190N32O33

Absent amino acids  CDFHMPRSTY

Theoretical pI  8.54

Acidic residues  2

Basic residues  3

Polar residues  5

Molecular weight (Average)  2536.96

Molecular weight (Monoisotopic)  2535.42

Common amino acids  ALN

Net charge  1

Instability index (II)  20.85

Aliphatic index  127.39

Grand average of hydropathicity (GRAVY)  -0.096

Half Life 
  4.4 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) 2.168

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 29064402

Title  Dermaseptin-PH: A Novel Peptide with Antimicrobial and Anticancer Activities from the Skin Secretion of the South American Orange-Legged Leaf Frog, Pithecopus (Phyllomedusa) hypochondrialis

Doi 10.3390/molecules22101805

Year  2017

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.