General Information
-
DRAMP ID
- DRAMP21082
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Peptide Name
- ccTP 3 (Derived from TP2)
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Source
- Synthetic construct
-
Family
- Not found
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Gene
- Not found
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Sequence
- KWCFCVCYRGICRCRCRG
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Sequence Length
- 18
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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.10673369] Gram-positive bacteria : Staphylococcus aureus(MIC=1.3 μM(low-salt);MIC=0.9 μM(high-salt)), Micrococcus luteus(MIC=0.5 μM(low-salt);MIC=0.5 μM(high-salt)), Enterococcus faecalis(MIC=1.9 μM(low-salt);MIC=1.3 μM(high-salt));
- Gram-negative bacteria : Escherichia coli(MIC=10.4 μM(low-salt);MIC=0.9 μM(high-salt)), Pseudomonas aeruginosa(MIC=6.2 μM(low-salt);MIC=10.4 μM(high-salt)), Primula vulgaris(MIC=16.4 μM(low-salt);MIC=28.9 μM(high-salt)), Klebsiella oxytoca(MIC=4.0 μM(low-salt);MIC=7.6 μM(high-salt));
- Fungi : Candida albicans(MIC=24.2 μM(low-salt);MIC=30.2 μM(high-salt)), Candida kefyr(MIC=1.1 μM(low-salt);MIC=4.3 μM(high-salt)), Candida tropicalis(MIC=12.4 μM(low-salt);MIC=3.9 μM(high-salt))
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Hemolytic Activity
-
- [Ref.10673369] EC25=590 μM against human red blood cells
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Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Cyclic
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N-terminal Modification
- Free
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C-terminal Modification
- Amidation
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Nonterminal Modifications and Unusual Amino Acids
- Disulfide bonds between Cys3 and Cys16, Cys5 and Cys14, Cys7 and Cys12.
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Stereochemistry
- L
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Structure
- Beta tile
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Structure Description
- Although there is insufficient information to deconvolute these CD spectra of these two-b-strand cyclic cystine-knot structures due to the various contributions by
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Helical Wheel Diagram
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PDB ID
- None
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Predicted Structure
- There is no predicted structure for DRAMP21082.
Physicochemical Information
-
Formula
- C92H146N32O20S6
Absent Amino Acids
- ADEHLMNPQST
Common Amino Acids
- C
Mass
- 2212.73
PI
- 9.22
Basic Residues
- 5
Acidic Residues
- 0
Hydrophobic Residues
- 4
Net Charge
- +5
-
Boman Index
- -4154
Hydrophobicity
- 0.089
Aliphatic Index
- 37.78
Half Life
-
- Mammalian:1.3 hour
- Yeast:3 min
- E.coli:2 min
Extinction Coefficient Cystines
- 7365
Absorbance 280nm
- 433.24
Polar Residues
- 9
DRAMP21082
Comments Information
Function
- Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, Antifungal activity agaist Candida albicans, Candida kefyr, Candida tropicalis
Literature Information
- ·Literature 1
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Title
- Marked Increase in Membranolytic Selectivity of Novel Cyclic Tachyplesins Constrained with an Antiparallel Two-b Strand Cystine Knot Framework
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Pubmed ID
- 10673369
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Reference
- Biochem Biophys Res Commun. 2000 Jan 27;267(3):783-90.
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Author
- James P. Tam, Yi-An Lu, and Jin-Long Yang