General Information
-
DRAMP ID
- DRAMP01623
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Peptide Name
- Bombinin-H4 (bombinin H isomers; Frogs, amphibians, animals)
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Source
- Bombina variegata (European frog)
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Family
- Belongs to the bombinin family
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Gene
- Not found
-
Sequence
- LIGPVLGLVGSALGGLLKKI
-
Sequence Length
- 20
-
UniProt Entry
- P82284
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Protein Existence
- Protein level
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, hemolytic against mammalian cells, Antifungal
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Target Organism
-
- [Ref.8223491] Gram-negative bacterium: Escherichia coli D21 (MIC=4.8 µM);
- Gram-positive bacterium: Staphylococcus aureus Cowan 1 (MIC=3.3 µM).
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Hemolytic Activity
-
- [Ref.8223491] Lethal concentration is 14.6 µM against human red blood cell.
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Cytotoxicity
-
- Not included yet
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Not included yet
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N-terminal Modification
- Not included yet
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C-terminal Modification
- Not included yet
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Nonterminal Modifications and Unusual Amino Acids
- Not included yet
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Stereochemistry
- Not included yet
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Structure
- Alpha helix
-
Structure Description
- The epimerization reaction is incomplete, or, after racemization, the peptides still containing the L-amino acid in position 2 are partly degraded.
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Helical Wheel Diagram
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PDB ID
- None
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Predicted Structure
- Please click DRAMP01623_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C91H164N22O22
Absent Amino Acids
- CDEFHMNQRTWY
Common Amino Acids
- L
Mass
- 1918.44
PI
- 10
Basic Residues
- 2
Acidic Residues
- 0
Hydrophobic Residues
- 11
Net Charge
- +2
-
Boman Index
- 39.45
Hydrophobicity
- 1.49
Aliphatic Index
- 190
Half Life
-
- Mammalian:5.5 hour
- Yeast:3 min
- E.coli:2 min
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 6
DRAMP01623
Comments Information
Function
- Have antimicrobial activity. Have some hemolytic activity.
Literature Information
- ·Literature 1
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Title
- Antibacterial and haemolytic peptides containing D-alloisoleucine from the skin of Bombina variegata.
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Pubmed ID
- 8223491
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Reference
- EMBO J. 1993; 12:4829-4832.
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Author
- Mignogna G, Simmaco M, Kreil G, Barra D.1993