General Information
-
DRAMP ID
- DRAMP29023
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Peptide Name
- H-19
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Sequence
- IKLSKETKKNLKKVLKGⓍIKGⓍIAVAKMV
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Sequence Length
- 29
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Original Sequence
- IKLSPETKDNLKKVLKGAIKGAIAVAKMV
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Source
- Synthetic construct
Activity Information
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Biological Activity
- Antimicrobial, Anticancer
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Comments
- Function: Anticancer activity. Ref.30789695 does not include results of antimicrobial, hemolysis and other biological assays
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Target Organism
-
- [Ref.30789695] Cancer cell lines: A549 (IC50 = 1.00 ± 0.36 μM), HCT116 (IC50 = 1.78 ± 0.35 μM), HepG2 (IC50 = 1.64 ± 0.36 μM)
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Hemolytic Activity
-
- [Ref.30789695] It has 1.8%, 11.5%, 22.2%, 20.5%, 16.2%, 39.5%, 69.2%, 94.8% and 102.5% hemolysis against fresh rabbit blood cells at 0.010, 0.25, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0 and 25.0 μM.
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Cytotoxicity
- No cytotoxicity information found in the reference(s) presented
Structure Information
-
Linear/Cyclic
- Cyclic (Stapled)
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N-terminal Modification
- Free
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C-terminal Modification
- Amidation
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Special Amino Acid and Stapling Position
- ① The Ⓧ (position: 18 and 22) in sequence indicate (S)-N-Fmoc-2-(4'-pentenyl)alanine. ② Ⓧ (18) and Ⓧ (22) are cross-linked by ring-closing metathesis through an oct-4-enyl hydrocarbon staple.
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Stereochemistry
- L
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Secondary Structure
- α-helical (most likely)
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Structure Description
- No detailed structure description found.
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Helical Wheel Diagram
-
Predicted Structure
- There is no predicted structure for DRAMP29023.
Physicochemical Information
-
Formula
- C₁₅₀H₂₇₆N₄₀O₃₄S
Absent Amino Acids
- CDFHPQRWY
Common Amino Acids
- K
Mass
- 3216.1
PI
- /
-
Basic Residues
- 9
Acidic Residues
- 1
Hydrophobic Residues
- 11
Hydrophobicity
- /
Polar Residues
- 5
DRAMP29023
Literature Information
- Literature 1
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Title
- Improving Selectivity, Proteolytic Stability, and Antitumor Activity of Hymenochirin-1B: A Novel Glycosylated Staple Strategy
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Pubmed ID
- 30789695
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Reference
- ACS Chem Biol. 2019 Mar 15;14(3):516-525. doi: 10.1021/acschembio.9b00046. Epub 2019 Mar 1.
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Author
- Yulei Li, Yihan Zhang, Minghao Wu, Qi Chang, Honggang Hu, Xia Zhao