L-K6

General Information


DCTPep ID  DCTPep00775

Peptide Name   L-K6

Sequence  IKKILSKIKKLLK

Sequence Length  13

UniProt ID  Not available

PubChem CID  Not available

Origin  some cationic antimicrobial peptides

Type  Synthetic 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=23 μM MTT assay 48h 1
MCF-7 Invasive breast carcinoma of no special type IC50=31 μM MTT assay 24h 1
MCF-7 Invasive breast carcinoma of no special type IC50=34 μM MTT assay 6h 1
MCF-7 Invasive breast carcinoma of no special type IC50=38 μM MTT assay 1h 1

Hemolytic Activity  Rabbit red blood cells: modest hemolytic activity(as show in Fig.2)

Normal (non-cancerous) Cytotoxicity  HUVEC: IC50=65.88±4.5 μM

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00775

(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  C75H145N19O15

Absent amino acids  ACDEFGHMNPQRTVWY

Theoretical pI  10.70

Acidic residues  0

Basic residues  6

Polar residues  1

Molecular weight (Average)  1553.09

Molecular weight (Monoisotopic)  1552.12

Common amino acids  K

Net charge  6

Instability index (II)  -15.14

Aliphatic index  180.00

Grand average of hydropathicity (GRAVY)  0.054

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

Extinction coefficients 
  Should not be visible by UV spectrophotometry.

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 28811617

Title  Cell surface binding, uptaking and anticancer activity of L-K6, a lysine/leucine-rich peptide, on human breast cancer MCF-7 cells

Doi 10.1038/s41598-017-08963-2

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.