General Information


DRAVP ID  DRAVPe02278

Peptide Name   MBD-3

Sequence  KINNPVSCLRKGGRCWNRCIGNTRQIGSCGVPFLKCCKRK

Sequence Length  40

UniProt ID  Q9WTL0 

Taxon ID  10090 

Source  Epithelia, respiratory system and other mucosal surfaces, mouse, M. musculus

Validation   Experimentally Validated



Origin Information


Gene Name/ID  Defb3

GenBank  AA065510##AJ011800## AF092929

Amino Acid position  24-63

Domain Accession ID  Not Available

Nucleotide sequence ID  CM001001.3 

Molecular Type  Genomic DNA

Chromosomal Position  Chromosome 8: 19,343,376-19,345,307 forward strand.



Activity Information


Target Organism  IAV

Assay  Cell transfection Assay

Activity 

  • [Ref:24632574]IAV:TCID50=3.4815 ± 0.1844

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  Membrane

Mechanism  mBD1-mBD3 expressed by the recombinant plasmid pcDNA3.1(+)/mBD1-mBD3 could inhibit influenza A virus replication both in vitro and in vivo.



Structure Information


PDB ID  None

Predicted Structure Download 

Linear/Cyclic  Linear

N-terminal Modification  Free

C-terminal Modification  Free

Other Modification  None

Stereochemistry  L



Physicochemical Information


Formula  C189H322N66O49S6

Absent amino acids  ADEHMOUY

Common amino acids  C

Mass  4495.41

Pl  10.26

Basic residues  10

Acidic residues  0

Hydrophobic residues  9

Net charge  10

Boman Index  2.33

Hydrophobicity  -0.515

Aliphatic Index  63.25

Half Life 

  •     Mammalian:1.3 hours
  •     Yeast:3min
  •     E.coli:3min

Extinction Coefficient cystines  5875

Absorbance 280nm  1.307

Polar residues  24



Literature Information


Literature 1

Title   Antiviral activity of recombinant mouse β-defensin 3 against influenza A virus in vitro and in vivo

Pubmed ID   22345365

Reference   Antiviral chemistry & chemotherapy, 22(6), 255–262

Author   Jiang, Y., Yang, D., Li, W., Wang, B., Jiang, Z., & Li, M. (2012)

DOI   10.3851/IMP2077

Literature 2

Title   Expression of mouse beta-defensin-3 in MDCK cells and its anti-influenza-virus activity

Pubmed ID   19301094

Reference   Archives of virology, 154(4), 639–647

Author   Jiang, Y., Wang, Y., Kuang, Y., Wang, B., Li, W., Gong, T., Jiang, Z., Yang, D., & Li, M. (2009)

DOI   10.1007/s00705-009-0352-6