General Information
-
DRAMP ID
- DRAMP01370
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Peptide Name
- Oh-defensin (O. hainana defensin; spiders, animals)
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Source
- Ornithoctonus hainana (Venoms)
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Family
- Not found
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Gene
- Not found
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Sequence
- MLCKLSMFGAVLGVPACAIDCLPMGKTGGSCEGGVCGCRKLTFKILWDKKFG
-
Sequence Length
- 52
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UniProt Entry
- No entry found
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Protein Existence
- Not found
Activity Information
-
Biological Activity
- Antimicrobial, Antibacterial, Anti-Gram+, Anti-Gram-, Antifungal
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Target Organism
-
- Gram-positive bacteria: Staphylococcus aureus (MIC=1.25 µg/ml), Bacillus cereus (MIC=25 µg/ml);
- Gram-negative bacteria: Escherichia coli (MIC=1.25 µg/ml), Bacillus dysenteriae (MIC=1.25 µg/ml), Pseudomonas aeruginosa (MIC=5 µg/ml).
- Yeast: Candida albicans (MIC=1.25 µg/ml).
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Hemolytic Activity
-
- [Ref.21538709] It has little hemolytic activity, inducing 7% hemolysis at the concentration up to 200 µg/ml (about 36 µM).
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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
- Free
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Nonterminal Modifications and Unusual Amino Acids
- Has three disulfide bonds
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Stereochemistry
- L
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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 DRAMP01370.
Physicochemical Information
-
Formula
- C240H392N62O63S9
Absent Amino Acids
- HNQY
Common Amino Acids
- G
Mass
- 5442.67
PI
- 8.88
Basic Residues
- 7
Acidic Residues
- 3
Hydrophobic Residues
- 18
Net Charge
- +4
-
Boman Index
- 6.96
Hydrophobicity
- 0.573
Aliphatic Index
- 82.5
Half Life
-
- Mammalian:30 hour
- Yeast:>20 hour
- E.coli:>10 hour
Extinction Coefficient Cystines
- 5875
Absorbance 280nm
- 115.2
Polar Residues
- 19
DRAMP01370
Comments Information
Function
- Shows antibacterial and antifungal activities.
Literature Information
- ·Literature 1
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Title
- A defensin-like antimicrobial peptide from the venoms of spider, Ornithoctonus hainana.
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Pubmed ID
- 21538709
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Reference
- J Pept Sci. 2011 Jul;17(7):540-544.
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Author
- Zhao H, Kong Y, Wang H, Yan T, Feng F, Bian J, Yang Y, Yu H.