General Information
-
DRAMP ID
- DRAMP01098
-
Peptide Name
- Bombinin-like peptide 3 (BLP-3; toads, amphibians, animals)
-
Source
- Bombina orientalis (Oriental fire-bellied toad)
-
Family
- Belongs to the bombinin family
-
Gene
- Not found
-
Sequence
- GIGAAILSAGKSALKGLAKGLAEHF
-
Sequence Length
- 25
-
UniProt Entry
- P29004
-
Protein Existence
- Protein level
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram-
-
Target Organism
-
- [Ref.1744108]Gram-postive bacterium:Bacillus megaterium BmII (MIC=0.3 µM), Staphylococcus aureus Cowan1 (MIC=1.7 µM);
- Gram-negative bacterium:59% inhibition Neisseria meningitidis 118V C (MIC=20 µg/ml), 99% inhibition Neisseria meningitidis 15240 IAI (MIC=20 µg/ml), 99% inhibition Neisseria meningitidis 126E IC1 (MIC=20 µg/ml), 99% inhibition Neisseria gonorrhoeoe F62 (MIC=20 µg/ml), 97% inhibitionNeisseria Iactamica 15323 (MIC=20 µg/ml), 100% inhibition Neisseria Iactamica 15215A (MIC=20 µg/ml), 97% inhibition Neisseria cinerea 15461 (MIC=20 µg/ml), Escherichia coli D21 (MIC=1.7 µM), Escherichia coli D22 (MIC=1.5 µM), Yersinia pseudotubercolosis (MIC=0.6 µM), Pseudomonas aeruginosa ATCC 15692 (MIC=9.2 µM);
- Fungus:Candida albicans (MIC=0.4 µM).
-
Hemolytic Activity
-
- [Ref:1744108] No significant hemolytic activity was found which suggests a selectivity for prokaryotic over eukaryotic membranes.
-
Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
-
Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
-
N-terminal Modification
- Free
-
C-terminal Modification
- Amidation
-
Nonterminal Modifications and Unusual Amino Acids
- None
-
Stereochemistry
- L
-
Structure
- Alpha helix
-
Structure Description
- Not found
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- Please click DRAMP01098_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C108H182N30O30
Absent Amino Acids
- CDMNPQRTVWY
Common Amino Acids
- A
Mass
- 2380.82
PI
- 9.7
Basic Residues
- 4
Acidic Residues
- 1
Hydrophobic Residues
- 13
Net Charge
- +3
-
Boman Index
- 13.14
Hydrophobicity
- 0.632
Aliphatic Index
- 117.6
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 7
DRAMP01098
Comments Information
Function
- Has antimicrobial activity, but no hemolytic activity. Preference on killing Gram-negative non-enteric bacteria.
Tissue specificity
- Expressed by the skin glands.
Literature Information
- ·Literature 1
-
Title
- Bombinin-like peptides with antimicrobial activity from skin secretions of the Asian toad, Bombina orientalis.
-
Pubmed ID
- 1744108
-
Reference
- J Biol Chem. 1991 Dec 5;266(34):23103-23111.
-
Author
- Gibson BW, Tang DZ, Mandrell R, Kelly M, Spindel ER.