Flower-specific defensin / NaD1

General Information


DCTPep ID  DCTPep00612

Peptide Name   Flower-specific defensin / NaD1

Sequence  RECKTESNTFPGICITKPPCRKACISEKFTDGHCSKILRRCLCTKPC

Sequence Length  47

UniProt ID  Not available

PubChem CID  Not available

Origin  Nicotiana alata

Type  Native peptide

Classification

  

Cancer therapy related peptides



Activity Information


Cell Line Disease Activity Assay Testing Time Literature
PC-3 Prostate carcinoma 100% Killing=25 µM MTT assay 48h 1
U-937 Adult acute monocytic leukemi; Acute monoblastic/monocytic leukemia 100% Killing=25 µM MTT assay 48h 1

Hemolytic Activity  Human erythrocytes: 1.5% Hemolysis=50 µM

Normal (non-cancerous) Cytotoxicity  Human dermal fibroblasts: 100% Killing=25 µM

Target  Not available

Affinity  Not available

Mechanism  Not available



Structure Information


PDB ID  Not available

Predicted Structure  DCTPep00612

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

Helicity  Not available

Linear/Cyclic  Cyclic

Disulfide/Other Bond  Cys3<--->Cys47; Cys14<--->Cys34; Cys20<--->Cys41; Cys24<--->Cys43

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Chiral  L



Physicochemical Information


Formula  C223H374N68O65S8

Absent amino acids  MQVWY

Theoretical pI  9.08

Acidic residues  4

Basic residues  11

Polar residues  19

Molecular weight (Average)  5304.32

Molecular weight (Monoisotopic)  5300.58

Common amino acids  C

Net charge  7

Instability index (II)  71.18

Aliphatic index  51.91

Grand average of hydropathicity (GRAVY)  -0.472

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

Extinction coefficients 
  Ext. coefficient 500
  Abs 0.1% (=1 g/l) 0.094, assuming all pairs of Cys residues form cystines
  Ext. coefficient 0
  Abs 0.1% (=1 g/l) 0.000, assuming all Cys residues are reduced

Amino acid distribution



Literature Information


Literature 1

Pubmed ID 27503651

Title  Nicotiana alata Defensin Chimeras Reveal Differences in the Mechanism of Fungal and Tumor Cell Killing and an Enhanced Antifungal Variant

Doi 10.1128/AAC.01479-16

Year  2016

Literature 2

Pubmed ID 31031739

Title  Salt-Tolerant Antifungal and Antibacterial Activities of the Corn Defensin ZmD32

Doi 10.3389/fmicb.2019.00795

Year  2019

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.