General Information
-
DRAMP ID
- DRAMP01484
-
Peptide Name
- Esculentin-2ISa (Frogs, amphibians, animals)
-
Source
- Odorrana ishikawae (Japanese Endangered frog)
-
Family
- Belongs to the frog skin active peptide family (Brevinin subfamily)
-
Gene
- Not found
-
Sequence
- GIFSLIKGAAKLITKTVAKEAGKTGLELMACKVTNQC
-
Sequence Length
- 37
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
-
Target Organism
-
- Gram-negative bacterium: Escherichia coli (MC=12.5 µM);
- Gram-positive bacteria: Staphylococcus aureus (MIC=3.1 µM), Staphylococcus aureus (MRSA) (MIC=25 µM), Bacillus subtilis (MIC=6.3 µM).
- Yeast: Candida albicans (MIC=100 µM).
-
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
- Cyclic
-
N-terminal Modification
- Free
-
C-terminal Modification
- Cyclization (Cys31 and Cys37)
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bond between Cys31 and Cys37.
-
Stereochemistry
- L
-
Structure
- Not found
-
Structure Description
- Not found
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- There is no predicted structure for DRAMP01484.
Physicochemical Information
-
Formula
- C169H295N45O49S3
Absent Amino Acids
- DHPRWY
Common Amino Acids
- K
Mass
- 3837.65
PI
- 9.51
Basic Residues
- 6
Acidic Residues
- 2
Hydrophobic Residues
- 15
Net Charge
- +4
-
Boman Index
- -9.56
Hydrophobicity
- 0.357
Aliphatic Index
- 102.97
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 125
Absorbance 280nm
- 3.47
Polar Residues
- 12
DRAMP01484
Comments Information
Function
- Shows antibacterial activity.
Literature Information
- ·Literature 1
-
Title
- Identification and characterization of antimicrobial peptides from the skin of the endangered frog Odorrana ishikawae.
-
Pubmed ID
- 21193000
-
Reference
- Peptides. 2011 Apr;32(4):670-676.
-
Author
- Iwakoshi-Ukena E, Ukena K, Okimoto A, Soga M, Okada G, Sano N, Fujii T, Sugawara Y, Sumida M.