General Information
-
DRAMP ID
- DRAMP20968
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Peptide Name
- Catesbeianin-1 (Ranidae, Anura, Amphibia, Animals)
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Source
- Lithobates catesbeiana (American bullfrog) (Rana catesbeiana)
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Family
- Not found
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Gene
- Not found
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Sequence
- MMRVMRRKTKVIWEKKDFIGLYSID
-
Sequence Length
- 25
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UniProt Entry
- C5IAX4
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Protein Existence
- Transcript level
Activity Information
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Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-
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Target Organism
-
- [Ref.28258530] Gram-positive bacteria : Staphylococcus aureus ATCC 25923 (MIC=3.1 μg/ml;MBC=6.3 μg/ml), B. subtilis ATCC6633 (MIC=25 μg/ml;MBC=50 μg/ml), Streptococcus suis CVCC606 (MIC=3.1 μg/ml;MBC=12.5 μg/ml), Listeria monocytogenes ATCC19115 (MIC=12.5 μg/ml;MBC=25 μg/ml);
- Gram-negative bacteria : Escherichia coli ATCC 25922 (MIC=3.1 μg/ml;MBC=12.5 μg/ml), Pseudomonas aeruginosa ATCC227853 (MIC=12.5 μg/ml;MBC=25 μg/ml), Salmonella spp. CVCC 3377 (MIC=6.3 μg/ml;MBC=25 μg/ml), Klebsiella pneumoniae H507 (MIC=25 μg/ml;MBC=100 μg/ml)
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Hemolytic Activity
-
- [Ref.28258530] 0% hemolysis at 0 μg/ml , hemolysis 3% at 25 μg/ml , 7% hemolysis at 50 μg/ml , 8% hemolysis at 100 μg/ml , 35% hemolysis at 200 μg/ml , 50% hemolysis at 300 μg/ml , 85% hemolysis at 400 μg/ml , 95% hemolysis at 500 μg/ml against human red blood cells
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Cytotoxicity
-
- [Ref.28258530] The cell viability of HEK293T cells is 102%, 103%, 103%, 100%, 98% and 85% at peptide concentrations of 0, 20, 40, 60, 80 and 100 μg/ml.
- The cell viability of HL-7200 cells is 107%, 106%, 99%, 95% and 88% at peptide concentrations of 0,
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Binding Target
- Not found
Structure Information
-
Linear/Cyclic
- Linear
-
N-terminal Modification
- Free
-
C-terminal Modification
- Free
-
Nonterminal Modifications and Unusual Amino Acids
- None
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Stereochemistry
- L
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Structure
- Alpha helix
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Structure Description
- Catesbeianin-1 is an amphi pathic a-helix and that the helical wheel is divided into two parts, namely, a hydrophobic face and a hydro philic face.
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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 DRAMP20968.
Physicochemical Information
-
Formula
- C142H235N39O35S3
Absent Amino Acids
- ACHNPQ
Common Amino Acids
- K
Mass
- 3144.85
PI
- 10.16
Basic Residues
- 7
Acidic Residues
- 3
Hydrophobic Residues
- 8
Net Charge
- +4
-
Boman Index
- -5626
Hydrophobicity
- -0.38
Aliphatic Index
- 85.6
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 6990
Absorbance 280nm
- 291.25
Polar Residues
- 4
DRAMP20968
Comments Information
Function
- Antibacterial activity against Gram-positive bacteria and Gram-negative bacteria
Literature Information
- ·Literature 1
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Title
- Catesbeianin-1, a novel antimicrobial peptide isolatedfrom the skin of Lithobates catesbeianus (American bullfrog)
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Pubmed ID
- 28258530
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Reference
- Biotechnol Lett. 2017 Jun;39(6):897-903. doi: 10.1007/s10529-017-2312-7.
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Author
- Huihui Xu . Yang Zhang . Xin Feng . Kunyuan Tie . Yuan Cao . Wenyu Han