General Information
-
DRAMP ID
- DRAMP29141
-
Peptide Name
- Pxt‐3
-
Source
- Xenopus tropicalis
-
Family
- Not found
-
Gene
- Not found
-
Sequence
- GLKEVAHSAKKFAKGFISGLTGS
-
Sequence Length
- 23
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial,Anti-Gram+, Anti-Gram-, Antifungal
-
Target Organism
-
- [Ref.25312021]Gram-negative bacteria:Escherichia coli DH5α(Not active up to 150 µg/ml);
- Gram-positive bacteria:Staphylococcus aureus JCM 2151(Not active up to 150 µg/ml).
- [Ref.23935531]Gram-negative bacteria:Escherichia coli ATCC 25922(MIC=64 µm);Pseudomonas aeruginosa ATCC 15692(MIC >256 µM);
- Gram-positive bacteria:Staphylococcus aureus ATCC 25923(MIC >256 µM);Micrococcus luteus(MIC=32 µM);
- Fungi:Saccharomyces cerevisiae(MIC=128 µM);
- Parasite:Trypanosoma brucei(LC95=8->256 µM).
-
Hemolytic Activity
-
- [Ref.25312021]0.2% Hemolysis against Rat erythrocytes at 20 µM.
- [Ref.23935531] Hemolysis against Mouse erythrocytes (HC50>256 µm).
-
Cytotoxicity
-
- [Ref.23935531]Cytotoxicity against T-lymphocytes(IC50>256 µM).
-
Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Linear
-
N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- None
-
Stereochemistry
- L
-
Structure
- Alpha helix,random coil
-
Structure Description
- 0.5%,1.2%,2.0% α-helix were mearsured by CD spectra at 10 °C, 25 °C and 37 °C in 10 mm Tris-HCl (pH 7.2).
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- There is no predicted structure for DRAMP29141.
Physicochemical Information
-
Formula
- C106H173N29O30
Absent Amino Acids
- CDMNPQRWY
Common Amino Acids
- GK
Mass
- 2333.72
PI
- 10
Basic Residues
- 5
Acidic Residues
- 1
Hydrophobic Residues
- 9
Net Charge
- +4
-
Boman Index
- -1249
Hydrophobicity
- 0.013
Aliphatic Index
- 76.52
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 8
DRAMP29141
Comments Information
Function
- Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria.
Literature Information
- ·Literature 1
-
Title
- Identification of novel peptides from amphibian (Xenopus tropicalis) skin by direct tissue MALDI-MS analysis.
-
Pubmed ID
- 25312021
-
Reference
- FEBS J. 2015 Jan;282(1):102-13.
-
Author
- Shigeri Y, Yasuda A, Hagihara Y, Nishi K, Watanabe K, Imura T, Inagaki H, Haramoto Y, Ito Y, Asashima M.
- ·Literature 2
-
Title
- Origin and functional diversification of an amphibian defense peptide arsenal.
-
Pubmed ID
- 23935531
-
Reference
- PLoS Genet. 2013;9(8):e1003662.
-
Author
- Roelants K, Fry BG, Ye L, Stijlemans B, Brys L, Kok P, Clynen E, Schoofs L, Cornelis P, Bossuyt F.