General Information
-
DRAMP ID
- DRAMP21066
-
Peptide Name
- TP1[R17A] (Derived from TP1)
-
Source
- Synthetic construct
-
Family
- Not found
-
Gene
- Not found
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Sequence
- KWCFRVCYRGICYRRCA
-
Sequence Length
- 17
-
UniProt Entry
- No entry found
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Protein Existence
- Synthetic form
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
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Target Organism
-
- [Ref.28960954] Gram-positive bacteria : Bacillus subtilis ATCC 6051(MIC=0.015 μg/ml), Staphylococcus aureus ATCC 43300 (MRSA)(MIC=0.5 μg/ml);
- Gram-negative bacteria : Escherichia coli ATCC 25922(MIC=0.015 μg/ml), Klebsiella pneumoniae ATCC 13883(MIC=0.125 μg/ml), Klebsiella pneumoniae ATCC 700603 (MDR)(MIC=0.25 μg/ml), Klebsiella pneumoniae BAA 2146 (NDM-1 pos)(MIC=0.25 μg/ml), Klebsiella pneumoniae clinical isolate 100650661 : 1 (XDR;PmxR)(MIC=4 μg/ml), Acinetobacter baumannii ATCC 19606(MIC=0.125 μg/ml), Acinetobacter baumannii clinical isolate 100734512 : 2 (XDR;PmxR)(MIC=0.125 μg/ml), Pseudomonas aeruginosa ATCC 27853(MIC=0.25 μg/ml), Pseudomonas aeruginosa FADDIFA070 (PmxR)(MIC=0.5 μg/ml);
- Fungi : Candida albicans ATCC 90028(MIC=4 μg/ml), Cryptococcus neoformans ATCC 208821(MIC=0.25 μg/ml)
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Hemolytic Activity
-
- [Ref.28960954] MHC10=0.45 μg/ml against human red blood cells
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Cytotoxicity
-
- [Ref.28960954] The peptide did not show cytotoxicity against HEK293 cells at the highest tested concentration, 100 μg/ml.
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
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N-terminal Modification
- Free
-
C-terminal Modification
- Amidation
-
Nonterminal Modifications and Unusual Amino Acids
- Disulfide bonds between Cys3 and Cys16, Cys7 and Cys12.
-
Stereochemistry
- L
-
Structure
- Not found
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Structure Description
- Not found
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Helical Wheel Diagram
-
PDB ID
- None
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Predicted Structure
- Please click DRAMP21066_predicted_structure.pdb to download.
Physicochemical Information
-
Formula
- C96H145N31O19S4
Absent Amino Acids
- DEHLMNPQST
Common Amino Acids
- CR
Mass
- 2183.66
PI
- 9.58
Basic Residues
- 5
Acidic Residues
- 0
Hydrophobic Residues
- 5
Net Charge
- +5
-
Boman Index
- -4337
Hydrophobicity
- -0.139
Aliphatic Index
- 43.33
Half Life
-
- Mammalian:1.3 hour
- Yeast:3 min
- E.coli:2 min
Extinction Coefficient Cystines
- 8730
Absorbance 280nm
- 513.53
Polar Residues
- 7
DRAMP21066
Comments Information
Function
- Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, Antifungal activity agaist Candida albicans, Cryptococcus neoformans
Literature Information
- ·Literature 1
-
Title
- Structure-Activity and -Toxicity Relationships of the Antimicrobial Peptide Tachyplesin-17
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Pubmed ID
- 28960954
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Reference
- ACS Infect Dis. 2017 Dec 8;3(12):917-926. doi: 10.1021/acsinfecdis.7b00123.
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Author
- Ingrid A. Edwards , Alysha G. Elliott , Angela M. Kavanagh , Mark A. T. Blaskovich , and Matthew A. Cooper