General Information
Activity Information
-
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
Structure Information
-
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
-
PDB ID
- 4E81 resolved by X-ray.
-
Predicted Structure
- Please click DRAMP02997_predicted_structure.pdb to download.
Physicochemical Information
-
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
Comments Information
Function
- Apidaecins have bactericidal activity; predominantly against Gram-negative bacteria. They seem to interfere with cell propagation.
Literature Information
- ·Literature 1
-
Title
- Apidaecins: antibacterial peptides from honeybees.
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Pubmed ID
- 2676519
-
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).
-
Pubmed ID
- 2298215
-
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.