Brevinin-1DYb

General Information


DCTPep ID  DCTPep00149

Peptide Name   Brevinin-1DYb

Sequence  FLSLALAALPKLFCLIFKKC

Sequence Length  20

UniProt ID  Not available

PubChem CID  Not available

Origin  Rana dybowskii; Rana pirica; Rana amurensis

Type  Native peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
RT-4(G2) Prostate tumor IC50=135.3 µM Cell Viability assay 48 h 1
486P Bladder carcinoma IC50=28.6 µM LDH leakage assay 48 h 1
647V Bladder carcinoma IC50=31 µM Cell Viability assay 48 h 1
RT-4(G2) Prostate tumor IC50=32.3 µM LDH leakage assay 48 h 1
NCI-H157 Lung squamous cell carcinoma IC50=4.5 µM MTT assay Not available 1
U-251MG Astrocytoma IC50=4.6 µM MTT assay Not available 1
RT-4(G2) Prostate tumor IC50=484 µM WST-1 assay 48 h 1
647V Bladder carcinoma IC50=52.4 µM WST-1 assay 48 h 1
647V Bladder carcinoma IC50=54.1 µM LDH leakage assay 48 h 1
486P Bladder carcinoma IC50=57.8 µM WST-1 assay 48 h 1
486P Bladder carcinoma IC50=59.4 µM Cell Viability assay 48 h 1
PC-3 Prostate carcinoma IC50=6.4 µM MTT assay Not available 1
MCF-7 Invasive breast carcinoma of no special type IC50=9.1 µM MTT assay Not available 1
MDA-MB-435S Amelanotic melanoma IC50=9.5 µM MTT assay Not available 1

Hemolytic Activity  Human erythrocytes: 50% Hemolysis<5 µM; 50% Hemolysis=125 µM; 50% Hemolysis=7 µM; Horse erythrocytes: 50% Hemolysis=4.7 µM

Normal (non-cancerous) Cytotoxicity  HMEC-1: IC50=25.2 µM

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00149

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys14<--->Cys20

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C110H179N23O22S2

Absent amino acids  DEGHMNQRTVWY

Theoretical pI  9.39

Acidic residues  0

Basic residues  3

Polar residues  3

Molecular weight (Average)  2239.89

Molecular weight (Monoisotopic)  2238.3

Common amino acids  L

Net charge  3

Instability index (II)  17

Aliphatic index  151.50

Grand average of hydropathicity (GRAVY)  1.600

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

Extinction coefficients 
  Ext. coefficient 125
  Abs 0.1% (=1 g/l) 0.056, assuming all pairs of Cys residues form cystines
  Ext. coefficient 0
  Abs 0.1% (=1 g/l) 0.000, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 29366784

Title  Identification of novel Amurin-2 variants from the skin secretion of Rana amurensis, and the design of cationicity-enhanced analogues

Doi 10.1016/j.bbrc.2018.01.124

Year  2018

Literature 2

Pubmed ID 17688900

Title  Cytolytic peptides belonging to the brevinin-1 and brevinin-2 families isolated from the skin of the Japanese brown frog, Rana dybowskii

Doi 10.1016/j.toxicon.2007.06.023

Year  2007

Literature 3

Pubmed ID 19539775

Title  Characterization of antimicrobial peptides isolated from the skin of the Chinese frog, Rana dybowskii

Doi 10.1016/j.cbpb.2009.05.015

Year  2009

Literature 4

Pubmed ID 15003829

Title  A family of brevinin-2 peptides with potent activity against Pseudomonas aeruginosa from the skin of the Hokkaido frog, Rana pirica

Doi 10.1016/j.regpep.2003.12.003

Year  2004

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.