C16-KKKK

General Information


DRACP ID  DRACP00510

Peptide Name   C16-KKKK

Sequence  KKKK

Sequence Length  4

UniProt ID  Not available

PubChem CID  Not available

Origin  Synthetic

Type  Synthetic peptide

Classification

  

Active ACP Lipopeptides Membrane lysis



Activity Information


Cell Line Disease Cancer Classified Activity Assay Testing Time Literature
THP-1 Childhood acute monocytic leukemia; Acute monoblastic/monocytic leukemia Leukemia 28% Cytotoxicity=40µM; 62% Cytotoxicity=80µM Colorimetric detection assay 24h 1
MDA-MB-231 Breast adenocarcinoma Carcinoma CC50=30µM MTS assay 48h 2
DU145 Prostate carcinoma Carcinoma CC50=18µM MTS assay 48h 2
Mia PaCa-2 Pancreatic ductal adenocarcinoma Carcinoma CC50>30µM MTS assay 48h 2
HeLa Human papillomavirus-related endocervical adenocarcinoma Carcinoma IC50=12.8±1.1µg/ml MTT assay 24h 3

Hemolytic Activity  Human erythrocytes:10% Hemolysis=16µg/ml; HC50=105.9±8µg/ml

Normal (non-cancerous) Cytotoxicity  HaCat: IC50=23.5±1.3µg/ml

Target  Not available

Affinity  Not available

Mechanism  Not available

Nature  Anticancer; Antibacterial; Antifungal



Structure Information


PDB ID  Not available

Predicted Structure  DRACP00510

Helicity  Not available

Linear/Cyclic  Linear

Disulfide/Other Bond  Not available

N-terminal Modification  CH3(CH2)14CO, Palmitic acid

C-terminal Modification  Amidation

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C24H50N8O5

Absent amino acids  ACDEFGHILMNPQRSTVWY

Common amino acids  K

Mass  58440

Pl  11.28

Basic residues  4

Acidic residues  0

Hydrophobic residues  0

Net charge  4

Boman Index  -2220

Hydrophobicity  -390

Aliphatic Index  0

Half Life 
  Mammalian: 1.3 hour
  Yeast: 3 min
  E.coli: 2 min

Extinction Coefficient cystines  0

Absorbance 280nm  0

Polar residues  0

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 25069750

Title  Structure-activity relationships in ultrashort cationic lipopeptides: the effects of amino acid ring constraint on antibacterial activity

Doi 10.1007/s00726-014-1806-z

Year  2014

Literature 2

Pubmed ID 27486068

Title  Ultrashort cationic lipopeptides and lipopeptoids: Evaluation and mechanistic insights against epithelial cancer cells

Doi 10.1016/j.peptides.2016.07.007

Year  2016

Literature 3

Pubmed ID 33003569

Title  Effect of Disulfide Cyclization of Ultrashort Cationic Lipopeptides on Antimicrobial Activity and Cytotoxicity

Doi 10.3390/ijms21197208

Year  2020

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.