General Information
-
DRAMP ID
- DRAMP21387
-
Peptide Name
- SP14 (De Novo Synthesis)
-
Source
- synthetic construct
-
Family
- Not found
-
Gene
- Not found
-
Sequence
- RWIRWVWRKKLRI
-
Sequence Length
- 13
-
UniProt Entry
- No entry found
-
Protein Existence
- Synthetic form
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram-
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Target Organism
-
- [Ref.31163671] Gram-negative bacteria:Escherichia coli ATCC 25922 (MIC=12.5–25 µg/mL)
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Hemolytic Activity
-
- [Ref.31163671] 10% hemolysis at 50–100 μg/mL against human blood cells.
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Cytotoxicity
-
- [Ref.31163671] The cell viability of Hepa 1-6 induced by SP14 is 102.7%, 95.3%, 88.5%, 93.9%, 100% and 98.6% at peptide concentrations of 3.125, 6.25, 12.5, 25, 50 and 100 μg/mL.
-
Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Linear
-
N-terminal Modification
- Free
-
C-terminal Modification
- Amidation
-
Nonterminal Modifications and Unusual Amino Acids
- None
-
Stereochemistry
- L
-
Structure
- α-helix mainly
-
Structure Description
- Not found
-
Helical Wheel Diagram
-
PDB ID
- None
-
Predicted Structure
- There is no predicted structure for DRAMP21387.
Physicochemical Information
-
Formula
- C92H146N30O14
Absent Amino Acids
- ACDEFGHMNPQSTY
Common Amino Acids
- R
Mass
- 1896.36
PI
- 12.48
Basic Residues
- 6
Acidic Residues
- 0
Hydrophobic Residues
- 7
Net Charge
- +6
-
Boman Index
- -4499
Hydrophobicity
- -0.885
Aliphatic Index
- 112.31
Half Life
-
- Mammalian:1 hour
- Yeast:2 min
- E.coli:2 min
Extinction Coefficient Cystines
- 16500
Absorbance 280nm
- 1375
Polar Residues
- 0
DRAMP21387
Comments Information
Function
- Antibacterial activity against Gram-negative bacteria.
Literature Information
- ·Literature 1
-
Title
- De Novo Design and In Vitro Testing of Antimicrobial Peptides against Gram-Negative Bacteria.
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Pubmed ID
- 31163671
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Reference
- Pharmaceuticals (Basel). 2019 Jun 3;12(2). pii: E82. doi: 10.3390/ph12020082.
-
Author
- Boris Vishnepolsky, George Zaalishvili, Margarita Karapetian, Tornike Nasrashvili, Nato Kuljanishvili, Andrei Gabrielian, Alex Rosenthal, Darrell E. Hurt, Michael Tartakovsky, Maya Grigolava and Malak Pirtskhalava