Protegrin 1

General Information


DCTPep ID  DCTPep00267

Peptide Name   Protegrin 1

Sequence  RGGRLCYCRRRFCVCVGR

Sequence Length  18

UniProt ID  P32194 

PubChem CID  Not available

Origin  Alpha helical peptide without cysteines

Type  Synthetic peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
U-937 Adult acute monocytic leukemi; Acute monoblastic/monocytic leukemia 61% Cytotoxicity at 0.5 µg/ml MTT assay 6 h 1

Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  1PG1 

Predicted Structure  DCTPep00267

(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  C88H150N36O20S4

Absent amino acids  ADEHIKMNPQSTW

Theoretical pI  10.66

Acidic residues  0

Basic residues  6

Polar residues  8

Molecular weight (Average)  2160.63

Molecular weight (Monoisotopic)  2159.07

Common amino acids  R

Net charge  6

Instability index (II)  62.13

Aliphatic index  53.89

Grand average of hydropathicity (GRAVY)  -0.250

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

Extinction coefficients 
  Ext. coefficient 1740
  Abs 0.1% (=1 g/l) 0.805, assuming all pairs of Cys residues form cystines
  Ext. coefficient 1490
  Abs 0.1% (=1 g/l) 0.690, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 21403917

Title  Antitumor activity of antimicrobial peptides against U937 histiocytic cell line

Doi Not available

Year  2011

Literature 2

Pubmed ID 8573171

Title  A novel antimicrobial peptide from Bufo bufo gargarizans

Doi 10.1006/bbrc.1996.0071

Year  1996

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.