General Information


DRAVP ID  DRAVPe00300

Peptide Name   Neutrophil defensin 2 (HNP-2, HP-2, HP2; Human, mammals, animals)

Sequence  CYCRIPACIAGERRYGTCIYQGRLWAFCC

Sequence Length  29

UniProt ID  P59665  P11479  Q14125  Q6EZF6  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  1ZMH  1ZMI  1ZMK 

Predicted Structure Download  DRAVPe00300

Linear/Cyclic  Cyclic

N-terminal Modification  Cyclization (N termini to C termini)

C-terminal Modification  Cyclization (N termini to C termini)

Other Modification  Disulfide bonds between Cys1 and Cys29,Cys3 and Cys18,Cys8 and Cys28.

Stereochemistry  L



Physicochemical Information


Formula  C147H223N43O37S6

Absent amino acids  DHKMNSV

Common amino acids  C

Mass  3377.01

Pl  8.67

Basic residues  4

Acidic residues  1

Hydrophobic residues  9

Net charge  3

Boman Index  -3410

Hydrophobicity  24.83

Aliphatic Index  64.14

Half Life 

  •     Mammalian:1.2 hour
  •     Yeast:>20 hour
  •     E.coli:>10 hour

Extinction Coefficient cystines  10345

Absorbance 280nm  369.46

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