General Information
-
DRAMP ID
- DRAMP29145
-
Peptide Name
- Pxt-7
-
Source
- Xenopus tropicalis
-
Family
- Not found
-
Gene
- Not found
-
Sequence
- GGLIGTLTAKQIKK
-
Sequence Length
- 14
-
UniProt Entry
- No entry found
-
Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial,Anti-Gram+, Anti-Gram-
-
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).
-
Hemolytic Activity
-
- [Ref.25312021]0.4% Hemolysis against Rat erythrocytes at 20 µM.
-
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
- Amidation
-
Nonterminal Modifications and Unusual Amino Acids
- The 'G' at position 1 is pyroglutamic acid
-
Stereochemistry
- L
-
Structure
- Alpha helix,random coil
-
Structure Description
- 2.6%,2.8%,6.6% 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 DRAMP29145.
Physicochemical Information
-
Formula
- C64H118N18O18
Absent Amino Acids
- CDEFHMNPRSVWY
Common Amino Acids
- GK
Mass
- 1427.75
PI
- 10.3
Basic Residues
- 3
Acidic Residues
- 0
Hydrophobic Residues
- 5
Net Charge
- +3
-
Boman Index
- -302
Hydrophobicity
- 0.043
Aliphatic Index
- 118.57
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 5
DRAMP29145
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.