Gaegurin-5

General Information


DCTPep ID  DCTPep00167

Peptide Name   Gaegurin-5

Sequence  FLGALFKVASKVLPSVKCAITKKC

Sequence Length  24

UniProt ID  Not available

PubChem CID  Not available

Origin  Rana rugosa

Type  Synthetic peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
HCT 116 Colon carcinoma IC50=113.31 µg/ml MTT assay 3 days 1
A498 Renal cell carcinoma IC50=138.06 µg/ml MTT assay 3 days 1
A549 Lung adenocarcinoma IC50=145.72 µg/ml MTT assay 3 days 1
MCF-7 Invasive breast carcinoma of no special type IC50=183.74 µg/ml MTT assay 3 days 1
MKN 45 Gastric adenocarcinoma IC50=34.96 µg/ml MTT assay 3 days 1
SK-OV-3 Ovarian serous cystadenocarcinoma IC50=38.28 µg/ml MTT assay 3 days 1
NCI-H630 Rectal carcinoma IC50=41.85 µg/ml MTT assay 3 days 1
PC-3 Prostate carcinoma IC50=43.64 µg/ml MTT assay 3 days 1
SK-MEL-2 Melanoma IC50=47.47 µg/ml MTT assay 3 days 1

Hemolytic Activity  Human erythrocytes: 7% Hemolysis=100 µg/ml

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00167

(Please note that there is the predicted structure, predicted by AlphaFold)

Helicity  Not available

Linear/Cyclic  Linear

Disulfide/Other Bond  Cys18<--->Cys24

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C119H203N29O28S2

Absent amino acids  DEHMNQRWY

Theoretical pI  9.90

Acidic residues  0

Basic residues  5

Polar residues  6

Molecular weight (Average)  2552.22

Molecular weight (Monoisotopic)  2550.48

Common amino acids  K

Net charge  5

Instability index (II)  7.56

Aliphatic index  113.75

Grand average of hydropathicity (GRAVY)  0.863

Half Life 
  1.1 hours (mammalian reticulocytes, in vitro).
  3 min (yeast, in vivo).
  2 min (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 125
  Abs 0.1% (=1 g/l) 0.049, assuming all pairs of Cys residues form cystines
  Ext. coefficient 0
  Abs 0.1% (=1 g/l) 0.000, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 16884301

Title  Structural determinants for the membrane interaction of novel bioactive undecapeptides derived from gaegurin 5

Doi 10.1021/jm050996u

Year  2006

Literature 2

Pubmed ID 14739294

Title  Systematic peptide engineering and structural characterization to search for the shortest antimicrobial peptide analogue of gaegurin 5

Doi 10.1074/jbc.M309822200

Year  2004

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.