General Information
-
DRAMP ID
- DRAMP01184
-
Peptide Name
- SPX(1-22)(truncated peptide of Syphaxin; Frogs, amphibians, animals)
-
Source
- Leptodactylus syphax (Burgundy thin-toed frog)
-
Family
- Not found
-
Gene
- Not found
-
Sequence
- GVLDILKGAAKDLAGHVATKVI
-
Sequence Length
- 22
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
-
Target Organism
-
- Gram-positive bacterium: Staphylococcus aureus ATCC 29213 (MIC=14.6 µM);
- Gram-negative bacterium: Escherichia coli ATCC 25922 (MIC=40.5 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
- Linear
-
N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- Free
-
Stereochemistry
- L
-
Structure
- Not found
-
Structure Description
- Not found
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- Please click DRAMP01184_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C99H173N27O28
Absent Amino Acids
- CEFMNPQRSWY
Common Amino Acids
- A
Mass
- 2189.63
PI
- 8.51
Basic Residues
- 4
Acidic Residues
- 2
Hydrophobic Residues
- 12
Net Charge
- +2
-
Boman Index
- 5.46
Hydrophobicity
- 0.746
Aliphatic Index
- 146.36
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 4
DRAMP01184
Comments Information
Comment
- No comments found on DRAMP database
Literature Information
- ·Literature 1
-
Title
- Antimicrobial peptide from the skin secretion of the frog Leptodactylus syphax.
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Pubmed ID
- 17628627
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Reference
- Toxicon. 2007 Sep 15;50(4):572-580.
-
Author
- Dourado F.S, Leite J.R.S.A, Silva L.P, Melo J.A.T, Bloch C. Jr, Schwartz E.F.