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MYP_085830
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Basic Information
LS-PaDBS1R1-2
Anticancer
Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic
Antimicrobial
Antimicrobial ▸ Antibacterial
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive
Antimicrobial ▸ Antifungal
Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic
Toxicity / Safety ▸ Cytotoxicity
Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Cytotoxicity
Standard
19 amino acids
C101H179N27O21
Standard
Sequence
PKILNKILGKILRLAAAFK
Physicochemical Analysis
2107.67 Da
11.34
4.95
4.89
0.2608
0.59
0.79
0.14
36.70
159.47
0.0526
0.00
0.00
The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.
Residue Composition
Amino Acid Composition
Chemical Descriptors
782.20
-2.54
28.0
26.0
75.0
149.0
2.0
19.0
Structural Visualization
3D PDB MODEL
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2D CHEMICAL STRUCTURE
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Experimental Records
RECORD: Rec_0157261 VERIFIED: YES
Provenance & Taxonomy
Pyrobaculum aerophilum [Archaea]
Structure & Mods
linear peptide [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Antibacterial Antifungal Anti-Gram-positive Anti-Gram-negative
Candida albicans ATCC 90028
PMID30463701 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/30463701/
RECORD: Rec_0161300 VERIFIED: YES
Provenance & Taxonomy
synthetic construct [Synthetic]
PaDBS1R1
32630
Structure & Mods
lysine-tethered side-chain stapled peptide [Cyclic]
noncanonical stereochemical modification [Modified]
None
Amidation
The Ⓚ (position: 2 and 6) in sequence indicates Nε-o-Ns-Nα-Fmoc-lysine before stapling. Ⓚ (2) and Ⓚ (6) are cross-linked by a (E)-but-2-enyl spacer employing the N-alkylation reaction
Bio-Activity Profile
Hemolytic
human red blood cells
16 μg/mL
MHC
PaperHu Y, Li H, Qu R, He T, Tang X, Chen W, Li L, Bai H, Li C, Wang W, Fu G, Luo G, Xia X, Zhang J. Lysine Stapling Screening Provides Stable and Low Toxic Cationic Antimicrobial Peptides Combating Multidrug-Resistant Bacteria In Vitro and In Vivo. J Med Chem. 2022 Jan 13;65(1):579-591. PMID34968054 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/34968054/
RECORD: Rec_0166098 VERIFIED: YES
Provenance & Taxonomy
synthetic construct [Synthetic]
PaDBS1R1
32630
Structure & Mods
lysine-tethered side-chain stapled peptide [Cyclic]
noncanonical stereochemical modification [Modified]
None
Amidation
The Ⓚ (position: 6 and 10) in sequence indicates Nε-o-Ns-Nα-Fmoc-lysine before stapling. Ⓚ (6) and Ⓚ (10) are cross-linked by a (E)-but-2-enyl spacer employing the N-alkylation reaction
Bio-Activity Profile
Hemolytic
human red blood cells
16 μg/mL
MHC
PaperHu Y, Li H, Qu R, He T, Tang X, Chen W, Li L, Bai H, Li C, Wang W, Fu G, Luo G, Xia X, Zhang J. Lysine Stapling Screening Provides Stable and Low Toxic Cationic Antimicrobial Peptides Combating Multidrug-Resistant Bacteria In Vitro and In Vivo. J Med Chem. 2022 Jan 13;65(1):579-591. PMID34968054 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/34968054/
RECORD: Rec_0189527 VERIFIED: YES
Provenance & Taxonomy
Pyrobaculum aerophilum [Archaea]
Structure & Mods
linear peptide [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Antibacterial Antifungal Anti-Gram-positive Anti-Gram-negative
Escherichia coli ATCC 25922
1.5 μM
MIC
PMID30463701 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/30463701/
RECORD: Rec_0214580 VERIFIED: YES
Provenance & Taxonomy
synthetic construct [Synthetic]
PaDBS1R1
32630
Structure & Mods
lysine-tethered side-chain stapled peptide [Cyclic]
noncanonical stereochemical modification [Modified]
None
Amidation
The Ⓚ (position: 6 and 10) in sequence indicates Nε-o-Ns-Nα-Fmoc-lysine before stapling. Ⓚ (6) and Ⓚ (10) are cross-linked by a (E)-but-2-enyl spacer employing the N-alkylation reaction
Bio-Activity Profile
Antimicrobial Antibacterial
Staphylococcus aureus BNCC 186335
2 μg/mL
MIC
PaperHu Y, Li H, Qu R, He T, Tang X, Chen W, Li L, Bai H, Li C, Wang W, Fu G, Luo G, Xia X, Zhang J. Lysine Stapling Screening Provides Stable and Low Toxic Cationic Antimicrobial Peptides Combating Multidrug-Resistant Bacteria In Vitro and In Vivo. J Med Chem. 2022 Jan 13;65(1):579-591. PMID34968054 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/34968054/
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