General Information
-
DRAMP ID
- DRAMP02135
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Peptide Name
- Antimicrobial peptide 6 (XT-6; Frogs, amphibians, animals)
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Source
- Xenopus tropicalis (Western clawed frog) (Silurana tropicalis)
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Family
- Not found
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Gene
- Not found
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Sequence
- GFLGSLLKTGLKVGSNLL
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Sequence Length
- 18
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UniProt Entry
- P84386
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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.11738090]Gram-positive bacterium: Staphylococcus aureus (MIC=5 µM);
- Gram-negative bacterium: Escherichia coli (MIC=5 µM);
- Yeast: Candida albicans (MIC=40 µM);
- Clinical isolates: Staphylococcus aureus 8325 (MIC=6 µM), Staphylococcus aureus (MRSA) (MIC=7 µM), Staphylococcus epidermidis 1420129 (MIC=3 µM), S. saprophyticus 1950556 (MIC=13 µM), Escherichia coli 25922 (MIC=6 µM), Streptococcus group C 1541035 (MIC=3 µM), Shigella sonnei 1840187 (MIC=35 µM), Pseudomonas aeruginosa 0380972 (MIC=60 µM), Enterobacter cloacae 1441323 (MIC=35 µM)
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Hemolytic Activity
-
- [Ref.11738090]HC50=70 μM against human erythrocytes
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Cytotoxicity
-
- Not included yet
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Binding Target
- Cell membrane
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
- 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
- Please click DRAMP02135_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C84H145N21O23
Absent Amino Acids
- ACDEHIMPQRWY
Common Amino Acids
- L
Mass
- 1817.2
PI
- 10
Basic Residues
- 2
Acidic Residues
- 0
Hydrophobic Residues
- 8
Net Charge
- +2
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Boman Index
- 13.19
Hydrophobicity
- 0.811
Aliphatic Index
- 146.11
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 8
DRAMP02135
Comments Information
Function
- Has antimicrobial activity against Gram-positive bacterium S. aureus and Gram-negative bacterium E.coli and strong activity against yeast C. albicans. Enhances the antibacterial activity of XT3. Has hemolytic activity against human red blood cells.
Tissue specificity
- Expressed by the skin glands.
Literature Information
- ·Literature 1
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Title
- Antimicrobial peptides isolated from skin secretions of the diploid frog, Xenopus tropicalis (Pipidae).
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Pubmed ID
- 11738090
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Reference
- Biochim Biophys Acta. 2001 Nov 26;1550(1):81-89.
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Author
- Ali MF, Soto A, Knoop FC, Conlon JM.