Defensin AFP1 / Hs-AFP1

General Information


DCTPep ID  DCTPep00567

Peptide Name   Defensin AFP1 / Hs-AFP1

Sequence  DGVKLCDVPSGTWSGHCGSSSKCSQQCKDREHFAYGGACHYQFPSVKCFCKRQC

Sequence Length  54

UniProt ID  Not available

PubChem CID  Not available

Origin  Heuchera sanguinea

Type  Native peptide

Classification

  

Cancer therapy related peptides



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
HepG2 Hepatoblastoma Not active up to 40 µM Cell Proliferation Kit II (XTT) assay 24h 1

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  DCTPep00567

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys6<--->Cys54; Cys17<--->Cys39; Cys23<--->Cys48; Cys27<--->Cys50

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C251H378N76O77S8

Absent amino acids  IMN

Theoretical pI  8.49

Acidic residues  4

Basic residues  10

Polar residues  24

Molecular weight (Average)  5948.71

Molecular weight (Monoisotopic)  5944.58

Common amino acids  CS

Net charge  6

Instability index (II)  57.07

Aliphatic index  27.04

Grand average of hydropathicity (GRAVY)  -0.613

Half Life 
  1.1 hours (mammalian reticulocytes, in vitro).
  3 min (yeast, in vivo).
  >10 hours (Escherichia coli, in vivo).

Extinction coefficients 
  Ext. coefficient 8980
  Abs 0.1% (=1 g/l) 1.510, assuming all pairs of Cys residues form cystines
  Ext. coefficient 8480
  Abs 0.1% (=1 g/l) 1.426, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 26248029

Title  Synergistic Activity of the Plant Defensin HsAFP1 and Caspofungin against Candida albicans Biofilms and Planktonic Cultures

Doi 10.1371/journal.pone.0132701

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.