General Information
-
DRAMP ID
- DRAMP01208
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Peptide Name
- Pleurain-A1 (Pleurain A1; Frogs, amphibians, animals)
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Source
- Rana pleuraden (Yunnan pond frog)
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Family
- Not found
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Gene
- Not found
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Sequence
- SIITMTKEAKLPQLWKQIACRLYNTC
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Sequence Length
- 26
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Protein Existence
- Protein level
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
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Target Organism
-
- [Ref.17764786]Gram-negative bacteria: Escherichia coli ATCC 25922 (MIC=60 µg/ml), Helicobacter pylori NCTC 11637 (MIC=30 µg/ml);
- Gram-positive bacteria: Bacillus dysenteriae (MIC=120 µg/ml), Staphylococcus aureus ATCC 2592 (MIC=15 µg/ml);
- Yeast: Candida albicans ATCC 2002 (MIC=30 µg/ml)..
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Hemolytic Activity
-
- [Ref:17764786] It has little hemolytic activity on red blood cells even with peptide concentration up to 200 μg/ml
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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
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N-terminal Modification
- Free
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C-terminal Modification
- Cyclization (Cys20 and Cys26)
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Nonterminal Modifications and Unusual Amino Acids
- Disulfide bond between Cys20 and Cys26.
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Stereochemistry
- L
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Structure
- Not found
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Structure Description
- Not found
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Helical Wheel Diagram
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PDB ID
- None
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Predicted Structure
- Please click DRAMP01208_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C136H226N36O37S3
Absent Amino Acids
- DFGHV
Common Amino Acids
- IKLT
Mass
- 3053.69
PI
- 9.3
Basic Residues
- 4
Acidic Residues
- 1
Hydrophobic Residues
- 9
Net Charge
- +3
-
Boman Index
- -26.97
Hydrophobicity
- -0.058
Aliphatic Index
- 97.69
Half Life
-
- Mammalian:1.9 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 7115
Absorbance 280nm
- 284.6
Polar Residues
- 8
DRAMP01208
Comments Information
Function
- Has little hemolytic activity on red blood cells.
Tissue specificity
- Expressed by the skin dorsal glands.
Literature Information
- ·Literature 1
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Title
- A new family of antimicrobial peptides from skin secretions of Rana pleuraden
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Pubmed ID
- 17764786
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Reference
- Peptides. 2007 Oct;28(10):2069-2074.
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Author
- Wang X, Song Y, Li J, Liu H, Xu X, Lai R, Zhang K.