Cecropin A

General Information


DRACP ID  DRACP00192

Peptide Name   Cecropin A

Sequence  KWKLFKKIEKVGQNIRDGIIKAGPAVAVVGQATQIAK

Sequence Length  37

UniProt ID  P01507 

PubChem CID  Not available

Origin  Hyalophora Cecropia(silkmoth)

Type  Native peptide

Classification

  

Active ACP Membrane-targeted



Activity Information


Cell Line Disease Cancer Classified Activity Assay Testing Time Literature
486P Bladder carcinoma Carcinoma IC50=251.47 µg/ml WST-1 assay 48 h 1
486P Bladder carcinoma Carcinoma IC50=69.2 µg/ml BrdU assay 48 h 1
486P Bladder carcinoma Carcinoma IC50=373.3/ µg/ml LDH leakage assay 48 h 1
RT-4 Bladder carcinoma Carcinoma IC50=231.26 µg/ml WST-1 assay 48 h 1
RT-4 Bladder carcinoma Carcinoma IC50=96.22 µg/ml BrdU assay 48 h 1
RT-4 Bladder carcinoma Carcinoma IC50=289.3 µg/ml LDH leakage assay 48 h 1
647V Bladder carcinoma Carcinoma IC50=185.39 µg/ml WST-1 assay 48 h 1
647V Bladder carcinoma Carcinoma IC50=28.74 µg/ml BrdU assay 48 h 1
647V Bladder carcinoma Carcinoma IC50=200.7 µg/ml LDH leakage assay 48 h 1
J82 Bladder carcinoma Carcinoma IC50=212.07 µg/ml WST-1 assay 48 h 1
J82 Bladder carcinoma Carcinoma IC50=99.01 µg/ml BrdU assay 48 h 1
J82 Bladder carcinoma Carcinoma IC50=319.2 µg/ml LDH leakage assay 48 h 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Normal murine or human fibroblasts: low cytotoxic

Target  Not available

Affinity  Not available

Mechanism  Cecropin A and B inhibit bladder cancer cell proliferation and viability in a dose-dependent fashion

Nature  Anticancer; Antimicrobial



Structure Information


PDB ID  Not available

Predicted Structure  DRACP00192

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  C184H312N52O47

Absent amino acids  CHMSY

Common amino acids  K

Mass  464717

Pl  11.18

Basic residues  8

Acidic residues  2

Hydrophobic residues  17

Net charge  6

Boman Index  -3133

Hydrophobicity  -7.3

Aliphatic Index  108.11

Half Life 
  Mammalian: 30 hour
  Yeast: >20 hour
  E.coli: >10 hour

Extinction Coefficient cystines  5500

Absorbance 280nm  152.78

Polar residues  6

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 18315881

Title  Antimicrobial peptides of the Cecropin-family show potent antitumor activity against bladder cancer cells

Doi 10.1186/1471-2490-8-5

Year  2008

Literature 2

Pubmed ID 6579533

Title  Solid-phase synthesis of cecropin A and related peptides

Doi 10.1073/pnas.80.21.6475

Year  1983

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.