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MYP_053652
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Basic Information
Cycloviolacin Y4
Anticancer
Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic
Antimicrobial
Antiparasitic ▸ Anthelminthic
Antiparasitic ▸ Anthelminthic ▸ Nematicidal activity
Antiviral
Antiviral ▸ Anti-HIV
Antiviral ▸ Antiviral mechanism ▸ Viral entry inhibition
Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic
Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Toxic
Venom / Toxin ▸ General toxin ▸ Toxicity
Standard
30 amino acids
C127H202N32O41S6
Standard
Sequence
GVPCGESCVFIPCITGVIGCSCSSNVCYLN
Physicochemical Analysis
3025.54 Da
4.05
-1.30
-1.59
-0.0432
1.05
0.31
0.39
36.82
90.67
0.0667
1490.00
1865.00
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
1134.50
-14.46
44.0
46.0
91.0
206.0
4.0
31.0
Structural Visualization
3D PDB MODEL
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2D CHEMICAL STRUCTURE
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Experimental Records
RECORD: Rec_0340187 VERIFIED: YES
Provenance & Taxonomy
Viola yedoensis [Plant]
Cyclotide
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization (N termini to C termini)
Cyclization (N termini to C termini)
4-20, 8-22, 13-27
Disulfide bonds between Cys4 and Cys20; Cys8 and Cys22; Cys13 and Cys27.
Bio-Activity Profile
Antiviral Anti-HIV Entry inhibition
HIV
0.12 μM
EC50
Mammalian: 30 h; Yeast: >20 h; E. coli: >10 h
PaperCyclotides as natural anti-HIV agents. | Ireland DC, Wang CK, Wilson JA, Gustafson KR, Craik DJ. | Biopolymers. 2008;90(1):51-60. | DOI:10.1002/bip.20886 | PMID:18008336 PMID18008336 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/18008336/
RECORD: Rec_0359898 VERIFIED: YES
Provenance & Taxonomy
Clitoria ternatea [Plant]
Cyclotide
Structure & Mods
linear peptide [Linear]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
-
Escherichia coli TOP10
Mex pooled growth assay (OD_ID at 4.5 h; Wald adjusted p-value)
PaperKoch P, Schmitt S, Cardner M, Beerenwinkel N, Panke S, Held M. Discovery of antimicrobials by massively parallelized growth assays (Mex). Scientific Reports. 2022;12:4097. doi:10.1038/s41598-022-07755-7 PMID35260685 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/35260685/
RECORD: Rec_0395549 VERIFIED: YES
Provenance & Taxonomy
Viola yedoensis [Plant]
Cyclotide
Structure & Mods
head-to-tail cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
4-20; 8-22; 13-27
Bio-Activity Profile
Antimicrobial Antiviral Hemolytic
PaperPubMed PMID: 18081258 PMID18081258 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/18081258/
RECORD: Rec_0414883 VERIFIED: YES
Provenance & Taxonomy
Viola yedoensis [Plant]
Cyclotide
Structure & Mods
head-to-tail cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
4-20; 8-22; 13-27
Bio-Activity Profile
Antimicrobial Antiviral Cytotoxic
PaperPubMed PMID: 18081258 | Cyclotides as natural anti-HIV agents. Biopolymers. 2008;90(1):51-60. doi: 10.1002/bip.20886. PMID: 18008336. | PubMed PMID: 18618891 PMID18081258;18008336;18618891 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/18081258/
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