• DRAMP ID

    • DRAMP03286
    • Peptide Name

    • Ostricacin-2 (Beta-defensin 1; Birds, animals)
    • Source

    • Struthio camelus (Ostrich)
    • Family

    • Belongs to the beta-defensin family
    • Gene

    • Not found
    • Sequence

    • APGNKAECEREKGYCGFLKCSFPFVVSGKCSRFFFCCKNIW
    • Sequence Length

    • 41
    • Protein Existence

    • Protein level
    • SMILES

    • CC[C@@H](C)[C@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@@H]1CSSC[C@@H]2NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](Cc3ccccc3)NC(=O)CNC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CCCCN)NC(=O)CNC(=O)[C@H](CO)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H](Cc4ccccc4)NC(=O)[C@@H]4CCCN4C(=O)[C@H](Cc4ccccc4)NC(=O)[C@H](CO)NC2=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](CSSC[C@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(N)=O)NC(=O)CNC(=O)[C@@H]2CCCN2C(=O)[C@H](C)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)NCC(=O)N[C@@H](Cc2ccc(O)cc2)C(=O)N3)C(=O)N1)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)O
    • Biological Activity

    • Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
    • Target Organism

      • Gram-positive bacterium:
        Target OrganismActivity
        Staphylococcus aureus 1056-MRSA (MIC=1.25 µg/ml);-
      • Gram-negative bacterium:
        Target OrganismActivity
        Escherichia coli O157:H7 (MIC=0.96 µg/ml);-
      • Yeast:
        Target OrganismActivity
        Candida albicans 3153AMIC=6.2 µg/ml
    • 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
    • Linear/Cyclic

    • Cyclic
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Free
    • Nonterminal Modifications and Unusual Amino Acids

    • Disulfide bonds between Cys8 and Cys36,Cys15 and Cys30,Cys20 and Cys37.
    • Stereochemistry

    • L
    • Structure

    • Not found
    • Structure Description

    • Not found
    • PDB ID

    • Predicted Structure

    • There is no predicted structure for DRAMP03286.
    • Formula

    • C212H313N55O54S6
    • Absent Amino Acids

    • DHMQT
    • Common Amino Acids

    • CF
    • Mass

    • 4688.51
    • PI

    • 8.89
    • Basic Residues

    • 7
    • Acidic Residues

    • 3
    • Hydrophobic Residues

    • 13
    • Net Charge

    • +4
    • Boman Index

    • -48.45
    • Hydrophobicity

    • -0.081
    • Aliphatic Index

    • 38.05
    • Half Life

      • Mammalian:4.4 hour
      • Yeast:>20 hour
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 7365
    • Absorbance 280nm

    • 184.13
    • Polar Residues

    • 16

DRAMP03286

    • PTM

    • Contains three disulfide bonds 8-36; 15-30; 20-37.
  • ·Literature 1
    • Title

    • Identification of three novel ostricacins: an update on the phylogenetic perspective of beta-defensins.
    • Reference

    • Int J Antimicrob Agents. 2006 Mar;27(3):229-235.
    • Author

    • Sugiarto H, Yu PL.