Varv H

General Information


DRACP ID  DRACP00074

Peptide Name   Varv H

Sequence  GLPVCGETCFGGTCNTPGCSCETWPVCSRN

Sequence Length  30

UniProt ID  P58453 

PubChem CID  Not available

Origin  Viola arvensis (European field pansy) (Field violet)

Type  Native peptide

Classification

  

Active ACP Membrane-targeted



Activity Information


Cell Line Disease Cancer Classified Activity Assay Testing Time Literature
U251 Astrocytoma Carcinoma IC50=44.70 µg/ml SRB assay 48h 1
MDA-MB-231 Breast adenocarcinoma Carcinoma IC50>10 µg/ml SRB assay 48h 1
A549 Lung adenocarcinoma Carcinoma IC50>10 µg/ml SRB assay 48h 1
DU145 Prostate carcinoma Carcinoma IC50>10 µg/ml SRB assay 48h 1
BEL-7402 Human papillomavirus-related endocervical adenocarcinoma Carcinoma IC50>10 µg/ml SRB assay 48h 1

Hemolytic Activity  HRBCs: HD50=7.52 µM

Normal (non-cancerous) Cytotoxicity  Not available

Target  Not available

Affinity  Not available

Mechanism  Not available

Nature  Anticancer



Structure Information


PDB ID  Not available

Predicted Structure  DRACP00074

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys5<--->Cys19; Cys9<--->Cys21; Cys14<--->Cys27; NCB: Gly1<--->Asn30

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C125H192N36O43S6

Absent amino acids  ADHIKMQY

Common amino acids  C

Mass  359692

Pl  4.26

Basic residues  1

Acidic residues  2

Hydrophobic residues  5

Net charge  -1

Boman Index  -2821

Hydrophobicity  -2

Aliphatic Index  32.33

Half Life 
  Mammalian: 30 hour
  Yeast: >20 hour
  E.coli: >10 hour

Extinction Coefficient cystines  5875

Absorbance 280nm  202.59

Polar residues  19

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 20580652

Title  Isolation and characterization of cytotoxic cyclotides from Viola tricolor

Doi 10.1016/j.peptides.2010.05.004

Year  2010

Literature 2

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




DRACP is developed by Dr.Zheng's team.