Arenicin-1

General Information


DCTPep ID  DCTPep00187

Peptide Name   Arenicin-1

Sequence  RWCVYAYVRVRGVLVRYRRCW

Sequence Length  21

UniProt ID  Not available

PubChem CID  Not available

Origin  Arenicola marina

Type  Native peptide

Classification

  

ACP Tumor active peptide



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
K562 Blast phase chronic myelogenous leukemia, BCR-ABL11 positive; Chronic myeloid leukemia IC50=17.9 µM MTT assay 24h 2
Jurkat Childhood T acute lymphoblastic leukemia; Precursor T-cell acute lymphoblastic leukemia LD50=4 µM Alamar blue assay 30 min 1

Hemolytic Activity  Human erythrocytes: 0% Hemolysis=12.5 µM; 12% Hemolysis=25 µM; 35% Hemolysis=50 µM; 51% Hemolysis=100 µM; 10% Hemolysis=4.1 µM; 15% Hemolysis=10.3 µM; 50% Hemolysis=66.3 µM

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00187

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys3<--->Cys20

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C127H195N41O25S2

Absent amino acids  DEFHIKMNPQST

Theoretical pI  10.85

Acidic residues  0

Basic residues  6

Polar residues  6

Molecular weight (Average)  2760.33

Molecular weight (Monoisotopic)  2758.47

Common amino acids  R

Net charge  6

Instability index (II)  63.76

Aliphatic index  92.38

Grand average of hydropathicity (GRAVY)  -0.071

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

Extinction coefficients 
  Ext. coefficient 15595
  Abs 0.1% (=1 g/l) 5.650, assuming all pairs of Cys residues form cystines
  Ext. coefficient 15470
  Abs 0.1% (=1 g/l) 5.604, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 17935487

Title  Structure and mode of action of the antimicrobial peptide arenicin

Doi 10.1042/BJ20071051

Year  2008

Literature 2

Pubmed ID 31234579

Title  Redesigning Arenicin-1, an Antimicrobial Peptide from the Marine Polychaeta Arenicola marina, by Strand Rearrangement or Branching, Substitution of Specific Residues, and Backbone Linearization or Cyclization

Doi 10.3390/md17060376

Year  2019

Literature 3

Pubmed ID 21241661

Title  The characteristic region of arenicin-1 involved with a bacterial membrane targeting mechanism

Doi 10.1016/j.bbrc.2011.01.046

Year  2011

Literature 4

Pubmed ID 25557880

Title  Design of antimicrobial peptide arenicin analogs with improved therapeutic indices

Doi 10.1002/psc.2732

Year  2015

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.