General Information
-
DRAMP ID
- DRAMP01083
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Peptide Name
- Alyteserin-1b (toads, amphibians, animals)
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Source
- Alytes obstetricans (European midwife toad)
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Family
- Not found
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Gene
- Not found
-
Sequence
- GLKEIFKAGLGSLVKGIAAHVAN
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Sequence Length
- 23
-
UniProt Entry
- No entry found
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Protein Existence
- Not found
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SMILES
- CC[C@@H](C)[C@H](NC(=O)CNC(=O)[C@H](CCCCN)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H](NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(C)C)NC(=O)CN)[C@H](C)CC)C(C)C)C(=O)N[C@@H](C)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@H](C(=O)N[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(N)=O)C(C)C
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram-
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Target Organism
-
- Gram-negative bacterium:
Target Organism Activity Escherichia coli MIC=25 µM
- Gram-negative bacterium:
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Hemolytic Activity
-
- [Ref:19463738] LC50 = 210 μM against human erthrocytes.
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Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
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Binding Target
- Not found
Structure Information
Physicochemical Information
-
Formula
- C105H177N29O28
Absent Amino Acids
- CDMPQRTWY
Common Amino Acids
- AG
Mass
- 2293.74
PI
- 9.7
Basic Residues
- 4
Acidic Residues
- 1
Hydrophobic Residues
- 12
Net Charge
- +3
-
Boman Index
- 8.5
Hydrophobicity
- 0.63
Aliphatic Index
- 127.39
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 0
Absorbance 280nm
- 0
Polar Residues
- 6
DRAMP01083
Comments Information
Function
- Amtimicrobial peptide. (By similarity)
Literature Information
- ·Literature 1
-
Title
- The alyteserins: two families of antimicrobial peptides from the skin secretions of the midwife toad Alytes obstetricans (Alytidae).
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Pubmed ID
- 19463738
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Reference
- Peptides. 2009 Jun;30(6):1069-1073.
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Author
- Conlon JM, Demandt A, Nielsen PF, Leprince J, Vaudry H, Woodhams DC.
