Cycloviolacin O2

General Information


DCTPep ID  DCTPep04757

Peptide Name   Cycloviolacin O2

Sequence  CGESCVWIPCISSAIGCSCKSKVCYRNGIP

Sequence Length  30

UniProt ID  Not available

PubChem CID  Not available

Origin  Viola odorata

Type  Native peptide

Classification

  

Cancer therapy related peptides



Activity Information


Hemolytic Activity  Not available

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  Not available

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys1<--->Cys18; Cys5<--->Cys20; Cys10<--->Cys25

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C133H215N37O40S6

Absent amino acids  DFHLMQT

Theoretical pI  8.33

Acidic residues  1

Basic residues  3

Polar residues  16

Molecular weight (Average)  3164.75

Molecular weight (Monoisotopic)  3162.43

Common amino acids  C

Net charge  2

Instability index (II)  22.59

Aliphatic index  74.67

Grand average of hydropathicity (GRAVY)  0.443

Half Life 
  1.2 hours (mammalian reticulocytes, in vitro).
  >20 hours (yeast, in vivo).
  >10 hours (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 7365
  Abs 0.1% (=1 g/l) 2.327, assuming all pairs of Cys residues form cystines
  Ext. coefficient 6990
  Abs 0.1% (=1 g/l) 2.209, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 10600388

Title  Plant cyclotides: A unique family of cyclic and knotted proteins that defines the cyclic cystine knot structural motif

Doi 10.1006/jmbi.1999.3383

Year  1999

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.