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
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
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
Year 2020
Patent
Patent ID Not available
Patent Title Not available
Other Iinformation Not available
Other Published ID Not available