General Information
-
DRAMP ID
- DRAMP20861
-
Peptide Name
- STF(1-37)
-
Source
- Synthetic construct
-
Family
- Derived from Cathelicidins
-
Gene
- Not found
-
Sequence
- KIRTRRSOARKOSRGNGGGIROPGGGIRLGGGSLIGR
-
Sequence Length
- 37
-
UniProt Entry
- No entry found
-
Protein Existence
- Synthetic
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
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Target Organism
-
- [Ref.27818338]Gram-negative bacteria:Escherichia coli (ATCC 25922)(MIC=2μM);A. salmonicida (ATCC 33658)(MIC=8-4μM);Y. ruckeri (NCIMB 1315)(MIC=16μM);V. anguillarum (ATCC 43305 With addition of 2% NaCl)(MIC>32μM);A. hydrophila (ATCC 7966)(MIC>32μM);
- Gram-positive bacteria:Staphylococcus aureus (ATCC 25923)(MIC=16-8μM);L. garvieae (ATCC 49156)(MIC=8μM)
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Hemolytic Activity
-
- [Ref.27818338] No hemolytic activity to human;No hemolytic activity to trout
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Cytotoxicity
-
- [Ref.27818338] The cell viability of RTG-2 cells is 108%, 112%, 117% and 118% at peptide concentrations of 0.25, 1, 4, and 8 μM.
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
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N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bond between Cys12 and Cys22.
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Stereochemistry
- L
-
Structure
- Unconventional feature
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Structure Description
- Not found
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Helical Wheel Diagram
-
PDB ID
- None
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Predicted Structure
- There is no predicted structure for DRAMP20861.
Physicochemical Information
-
Formula
- C143H255N61O37
Absent Amino Acids
- CDEFHMQVWY
Common Amino Acids
- G
Mass
- 4186.94
PI
- 12.85
Basic Residues
- 10
Acidic Residues
- 0
Hydrophobic Residues
- 7
Net Charge
- +10
-
Boman Index
- -10820
Hydrophobicity
- -0.784
Aliphatic Index
- 65.95
Half Life
-
- Mammalian:1.3 hour
- Yeast:3 min
- E.coli:2 min
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 16
DRAMP20861
Comments Information
Function
- Antibacterial activity against the Gram-positive and Gram-negative bacteria. The peptides inhibit the growth of V. anguillarum or A. hydrophila (MIC >32
Literature Information
- ·Literature 1
-
Title
- Antimicrobial and host cell-directed activities of Gly/Ser-rich peptides from salmonid cathelicidins.
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Pubmed ID
- 27818338
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Reference
- Fish Shellfish Immunol. 2016 Dec;59:456-468.
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Author
- D'Este F, Benincasa M, Cannone G, Furlan M, Scarsini M, Volpatti D, Gennaro R, Tossi A, Skerlavaj B, Scocchi M.