General Information


DRAVP ID  DRAVPe00301

Peptide Name   Neutrophil defensin 3 (Defensin, alpha 3; HNP-3, HP-3, HP3; Human, mammals, animals)

Sequence  DCYCRIPACIAGERRYGTCIYQGRLWAFCC

Sequence Length  30

UniProt ID  P59666  P11479  Q14125 

Source  Homo sapiens (Human)



Activity Information


Target Organism  SARS-CoV-2

Assay 

Activity 

  • [Ref.34206990]SARS-CoV-2:inhibition of infection in HEK293T-hACE2 cells(approximately 50% inbibition at 1 μg/mL (290 nM)).

Hemolytic Activity  No hemolysis information or data found in the reference(s) presented in this entry

Cytotoxicity  No cytotoxicity information found in the reference(s) presented

Binding Target  Not found

Mechanism  No machanism information found in the reference(s) presented in this entry



Structure Information


PDB ID  1DFN  2PM4  2PM5 

Predicted Structure Download  DRAVPe00301

Linear/Cyclic  Cyclic

N-terminal Modification  Free

C-terminal Modification  Cyclization of a C-terminal Cys residue (forming a disulfide bond)

Other Modification  Disulfide bonds between Cys2 and Cys30,Cys4 and Cys19,Cys9 and Cys29.

Stereochemistry  L



Physicochemical Information


Formula  C151H228N44O40S6

Absent amino acids  HKMNSV

Common amino acids  C

Mass  3492.1

Pl  8.33

Basic residues  4

Acidic residues  2

Hydrophobic residues  9

Net charge  2

Boman Index  -4282

Hydrophobicity  12.33

Aliphatic Index  62

Half Life 

  •     Mammalian:1.1 hour
  •     Yeast:3 min
  •     E.coli:>10 hour

Extinction Coefficient cystines  10345

Absorbance 280nm  356.72

Polar residues  13



Literature Information


Literature 1

Title   Human Defensins Inhibit SARS-CoV-2 Infection by Blocking Viral Entry.

Pubmed ID   34206990

Reference   Viruses. 2021 Jun 26;13(7):1246.

Author   Xu C, Wang A, Marin M, Honnen W, Ramasamy S, Porter E, Subbian S, Pinter A, Melikyan GB, Lu W, Chang TL.

DOI   10.3390/v13071246