General Information
-
DRAMP ID
- DRAMP18185
-
Peptide Name
- Jingdongin-1
-
Source
- Amolops jingdongensis (Chinese torrent frog)
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Family
- Belongs to the frog skin active peptide (FSAP) family. Brevinin subfamily
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Gene
- Not found
-
Sequence
- FLPLFLPKIICVITKKC
-
Sequence Length
- 17
-
UniProt Entry
- K7ZGS2
-
Protein Existence
- Protein level
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
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Target Organism
-
- [Ref.22828809]Gram-negative bacterium: B.dysenteriae (MIC=35 μg/ml);
- Gram-positive bacteria: S.aureus ATCC 2592 (MIC=4.7 μg/ml), B.subtilis ATCC 6633 (MIC=9.38 μg/ml);
- Fungus: C.albicans (MIC=18.75 μg/ml)
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Hemolytic Activity
-
- [Ref.22828809] It exhibits hemolysis of 1.32%, 5.37%, 6.35%, 16.55% at 25 μg/ml, 50 μg/ml, 100 μg/ml, 200 μg/ml against rabbit red blood cells
-
Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
-
Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
-
N-terminal Modification
- Free
-
C-terminal Modification
- Cyclization(Cys11 and Cys17).
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bond between Cys11 and Cys17.
-
Stereochemistry
- L
-
Structure
- Not found
-
Structure Description
- Not found
-
Helical Wheel Diagram
-
PDB ID
- None
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Predicted Structure
- There is no predicted structure for DRAMP18185.
Physicochemical Information
-
Formula
- C97H162N20O19S2
Absent Amino Acids
- ADEGHMNQRSWY
Common Amino Acids
- IKL
Mass
- 1976.6
PI
- 9.39
Basic Residues
- 3
Acidic Residues
- 0
Hydrophobic Residues
- 9
Net Charge
- +3
-
Boman Index
- 2286
Hydrophobicity
- 1.418
Aliphatic Index
- 154.71
Half Life
-
- Mammalian:1.1 hour
- Yeast:3 min
- E.coli:2 min
Extinction Coefficient Cystines
- 125
Absorbance 280nm
- 7.81
Polar Residues
- 3
DRAMP18185
Comments Information
Function
- Has activity against Gram- negative bacterium and exhibits hemolytic activity.
Literature Information
- ·Literature 1
-
Title
- Antimicrobial peptide diversity in the skin of the torrent frog,Amolops jingdongensis.
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Pubmed ID
- 22828809
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Reference
- Amino Acids 44:481-487(2013)
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Author
- He X., Yang S., Wei L., Liu R., Lai R., Rong M.