• DRAMP ID

    • DRAMP02997
    • Peptide Name

    • Apidaecin-1B (Apidaecin IB; Insects, animals)
    • Source

    • Apis mellifera (Honeybee)
    • Family

    • Belongs to the apidaecin family
    • Gene

    • Not found
    • Sequence

    • GNNRPVYIPQPRPPHPRL
    • Sequence Length

    • 18
    • Protein Existence

    • Protein level
    • Biological Activity

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

      • [Ref.2676519] Gram-negative bacteria: Agrobacterium tumefaciens (MIC=0.2 μg/ml), Erwinia salicis (MIC=0.02 μg/ml), Escherichia coli (MIC=0.1 μg/ml), Pseudomonas syringae (MIC=0.1 μg/ml), Rhizobium meliloti (MIC=0.02 μg/ml), Salmonella Newport (MIC=0.2 μg/ml), Salmonella typhimurium (MIC=0.1 μg/ml), Shigella flexneri (MIC=0.1 μg/ml);
      • Gram-positive bacteria: Corynebacterium insidiosum (MIC=50 μg/ml), Bacillus megaterium (MIC=100 μg/ml).
      • [Ref.2298215] Gram-negative bacteria: Agrobacterium tumefaciens Gembloux A (MIC≤1 µg/ml), Erwinia salicis NCPPB 2530 (MIC≤1 µg/ml), Escherichia coli NCTC 9001 (MIC≤1 µg/ml), Escherichia coli K514 (MIC=25-50 µg/ml), Pseudomonas syringae pv.tomato NCPPB 1105 (MIC≤1 µg/ml), Xanthomonas campestris pv. vesicatoria LMG 905 (MIC≥100 µg/ml);
      • Gram-positive bacteria: Bacillus megateriurn QMB 1551 (MIC=25-50 µg/ml), Bacillus alvei LMG 6922 (MIC=50-100 µg/ml),Micrococcus lysodeikticus LMG 4050 (MIC=25-50 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

    • Linear
    • N-terminal Modification

    • Free
    • C-terminal Modification

    • Free
    • Nonterminal Modifications and Unusual Amino Acids

    • Free
    • Stereochemistry

    • L
    • Structure

    • Not found
    • Structure Description

    • Not found
    • Helical Wheel Diagram

    • DRAMP02997 helical wheel diagram
    • PDB ID

    • 4E81 resolved by X-ray.
    • Predicted Structure

    • Formula

    • C95H150N32O23
    • Absent Amino Acids

    • ACDEFKMSTW
    • Common Amino Acids

    • P
    • Mass

    • 2108.44
    • PI

    • 11.71
    • Basic Residues

    • 4
    • Acidic Residues

    • 0
    • Hydrophobic Residues

    • 3
    • Net Charge

    • +4
    • Boman Index

    • -53.56
    • Hydrophobicity

    • -1.444
    • Aliphatic Index

    • 59.44
    • Half Life

      • Mammalian:30 hour
      • Yeast:>20 hour
      • E.coli:>10 hour
    • Extinction Coefficient Cystines

    • 1490
    • Absorbance 280nm

    • 87.65
    • Polar Residues

    • 4

DRAMP02997

DRAMP02997 chydropathy plot
    • Function

    • Apidaecins have bactericidal activity; predominantly against Gram-negative bacteria. They seem to interfere with cell propagation.
  • ·Literature 1
    • Title

    • Apidaecins: antibacterial peptides from honeybees.
    • Reference

    • EMBO J. 1989 Aug;8(8):2387-2391.
    • Author

    • Casteels P, Ampe C, Jacobs F, Vaeck M, Tempst P.
  • ·Literature 2
    • Title

    • Isolation and characterization of abaecin, a major antibacterial response peptide in the honeybee (Apis mellifera).
    • Reference

    • Eur J Biochem. 1990 Jan 26;187(2):381-386.
    • Author

    • Casteels P, Ampe C, Riviere L, Van Damme J, Elicone C, Fleming M, Jacobs F, Tempst P.