General Information
-
DRAMP ID
- DRAMP20946
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Peptide Name
- ΔPb-CATH4 bivittatus antimicrobial peptides peptide derivative
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Source
- Synthetic construct
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Family
- Not found
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Gene
- Not found
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Sequence
- TRSRWRRFIRGAGRFARRYGWRIA
-
Sequence Length
- 24
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UniProt Entry
- No entry found
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Protein Existence
- Synthetic
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial
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Target Organism
-
- [Ref.28630199] Gram-negative bacteria: Escherichia coli (ATCC 25922)(MIC=1μg/ml);Pseudomonas aeruginosa (ATCC 27853)(MIC=3μg/ml);S. typhimurium (ATCC 14028)(MIC=0.5μg/ml);
- Gram-positive bacteria: Staphylococcus aureus (ATCC 29213)(MIC>128μg/ml);B. cereus (ATCC 10876)(MIC=10μg/ml);
- Clinical isolates:Escherichia coli(MIC=4.7μg/ml);K. pneumoniae(MIC=1.18μg/ml)
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Hemolytic Activity
-
- [Ref.28630199]Hemolysis 0% at 4μg/ml against human red blood cell;Hemolysis 1.2 ± 0.3% at 8μg/ml against human red blood cell;Hemolysis 3.2 ± 0.4% at 16μg/ml against human red blood cell;Hemolysis 6.5 ± 0.4% at 32μg/ml against human red blood cell;Hemolysis 10.7 ± 0.2% at 64μg/ml against human red blood cell
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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
- Linear
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N-terminal Modification
- Free
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C-terminal Modification
- Free
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Nonterminal Modifications and Unusual Amino Acids
- None
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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
- There is no predicted structure for DRAMP20946.
Physicochemical Information
-
Formula
- C137H215N53O28
Absent Amino Acids
- CDEHKLMNPQV
Common Amino Acids
- R
Mass
- 3052.55
PI
- 12.54
Basic Residues
- 9
Acidic Residues
- 0
Hydrophobic Residues
- 9
Net Charge
- +9
-
Boman Index
- -11168
Hydrophobicity
- -1.096
Aliphatic Index
- 45
Half Life
-
- Mammalian:7.2 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 12490
Absorbance 280nm
- 543.04
Polar Residues
- 6
DRAMP20946
Comments Information
Function
- Antibacterial activity against the Gram-negative and Gram-negative bacteria. It is tested against the clinically isolated antibiotic resistance strains Escherichia coli and Klebsiella pneumoniae,which showed complete resistance particularly toward ampicillin and to a lesser extent with gentamicin
Literature Information
- ·Literature 1
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Title
- Genomewide Analysis of the Antimicrobial Peptides in Python bivittatus and Characterization of Cathelicidins with Potent Antimicrobial Activity and Low Cytotoxicity.
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Pubmed ID
- 28630199
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Reference
- Antimicrob Agents Chemother. 2017 Aug 24;61(9). pii: e00530-17.
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Author
- Kim D, Soundrarajan N, Lee J, Cho HS, Choi M, Cha SY, Ahn B, Jeon H, Le MT, Song H, Kim JH, Park C.