Magainin 2

General Information


DCTPep ID  DCTPep00177

Peptide Name   Magainin 2

Sequence  GIGKFLHSAKKFGKAFVGEIMNS

Sequence Length  23

UniProt ID  C0HKN6  P11006 

PubChem CID  16166807 

Origin  Xenopus laevis

Type  Native peptide

Classification

  

Cancer therapy related peptides



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
Daudi EBV-related Burkitt lymphoma; Burkitt lymphoma IC50>150 µg/ml Trypan blue assay 72 h 1
K562 Blast phase chronic myelogenous leukemia, BCR-ABL1 positive; Chronic myeloid leukemia IC50>150 µg/ml Trypan blue assay 72 h 1
MLA Leukemia IC50>150 µg/ml Trypan blue assay 72 h 1
Raji EBV-related Burkitt lymphoma; Burkitt lymphoma IC50>150 µg/ml Trypan blue assay 72 h 1
RPMI-8402 Childhood T acute lymphoblastic leukemia; Precursor T-cell acute lymphoblastic leukemia IC50>150 µg/ml Trypan blue assay 72 h 1
SSKT-1 Leukemia IC50>150 µg/ml Trypan blue assay 72 h 1
U-937 Adult acute monocytic leukemi; Acute monoblastic/monocytic leukemia IC50>150 µg/ml Trypan blue assay 72 h 1
CHP-100 Ewing sarcoma IC50>200 µg/ml Trypan blue assay 72 h 1
MCF-7 Invasive breast carcinoma of no special type IC50>200 µg/ml Trypan blue assay 72 h 1
PC-3 Prostate carcinoma IC50>200 µg/ml Trypan blue assay 72 h 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  magainin 2 and synthetic analogues can rapidly and irreversibly lyse hematopoietic tumor and solid tumor



Structure Information


PDB ID  2LSA  2MAG 

Predicted Structure  DCTPep00177

(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  Amidation

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C114H180N30O29S1

Absent amino acids  CDPQRTWY

Theoretical pI  10.00

Acidic residues  1

Basic residues  5

Polar residues  7

Molecular weight (Average)  2466.93

Molecular weight (Monoisotopic)  2465.33

Common amino acids  GK

Net charge  4

Instability index (II)  -0.1

Aliphatic index  72.17

Grand average of hydropathicity (GRAVY)  0.083

Half Life 
  30 hours (mammalian reticulocytes, in vitro).
  >20 hours (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 1708887

Title  Antibiotic magainins exert cytolytic activity against transformed cell lines through channel formation

Doi 10.1073/pnas.88.9.3792

Year  1990

Literature 2

Pubmed ID 2285300

Title  Magainin analogs effective against pathogenic protozoa

Doi 10.1128/AAC.34.9.1824

Year  1990

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.