General Information
-
DRAMP ID
- DRAMP01482
-
Peptide Name
- Esculentin-1ISa (Frogs, amphibians, animals)
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Source
- Odorrana ishikawae (Japanese Endangered frog)
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Family
- Belongs to the frog skin active peptide family (Brevinin subfamily)
-
Gene
- Not found
-
Sequence
- GIFSKFAGKGIKNLLVKGVKNIGKEVGMDVIRTGIDIAGCKIKGEC
-
Sequence Length
- 46
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
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Target Organism
-
- Gram-negative bacterium: Escherichia coli (MC=6.3 µM);
- Gram-positive bacteria: Staphylococcus aureus (MIC=3.1 µM), Staphylococcus aureus (MRSA) (MIC=25 µM), Bacillus subtilis (MIC=25 µM).
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Hemolytic Activity
-
- No hemolysis information or data found in the reference(s) presented in this entry
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Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
-
N-terminal Modification
- Free
-
C-terminal Modification
- Cyclization (Cys40 and Cys46)
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bond between Cys40 and Cys46.
-
Stereochemistry
- L
-
Structure
- Not found
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Structure Description
- Not found
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Helical Wheel Diagram
-
PDB ID
- None
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Predicted Structure
- There is no predicted structure for DRAMP01482.
Physicochemical Information
-
Formula
- C214H367N59O59S3
Absent Amino Acids
- HPQWY
Common Amino Acids
- G
Mass
- 4806.81
PI
- 9.63
Basic Residues
- 9
Acidic Residues
- 4
Hydrophobic Residues
- 17
Net Charge
- +5
-
Boman Index
- -26.24
Hydrophobicity
- 0.222
Aliphatic Index
- 105.87
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 125
Absorbance 280nm
- 2.78
Polar Residues
- 15
DRAMP01482
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.
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Pubmed ID
- 21193000
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Reference
- Peptides. 2011 Apr;32(4):670-676.
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Author
- Iwakoshi-Ukena E, Ukena K, Okimoto A, Soga M, Okada G, Sano N, Fujii T, Sugawara Y, Sumida M.