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MYP_144764
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Basic Information
Varv peptide A (Varv A; Plant defensin)
Anticancer
Anticancer ▸ Cytotoxic anticancer activity ▸ Cytotoxic
Antimicrobial
Antimicrobial ▸ Antibacterial
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-negative
Antimicrobial ▸ Antibacterial ▸ Anti-Gram-positive
Antiparasitic ▸ Anthelminthic
Antiparasitic ▸ Anthelminthic ▸ Nematicidal activity
Antiviral
Antiviral ▸ Anti-HIV
Toxicity / Safety ▸ Blood cell toxicity ▸ Hemolysis ▸ Hemolytic
Toxicity / Safety ▸ Cytotoxicity ▸ Cytotoxic
Venom / Toxin ▸ General toxin ▸ Cytotoxic
Standard
29 amino acids
C116H185N35O40S6
Standard
Sequence
GLPVCGETCVGGTCNTPGCSCSWPVCTRN
Physicochemical Analysis
2902.31 Da
5.96
-0.30
-0.59
-0.0102
0.15
0.26
0.15
46.59
43.45
0.0345
5500.00
5875.00
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
1174.30
-18.65
46.0
46.0
84.0
197.0
5.0
30.0
Structural Visualization
3D PDB MODEL
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2D CHEMICAL STRUCTURE
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Experimental Records
RECORD: Rec_0268404 VERIFIED: YES
Provenance & Taxonomy
Viola arvensis [Plant]
Defensin
Structure & Mods
side-chain cyclized peptide [Cyclic]
canonical L-amino-acid peptide [L]
None
None
5-19; 9-21; 14-26
Bio-Activity Profile
Anticancer
RPMI-8226/LR-5
3.19 μM
IC50
PaperPubMed PMID: 20580652 | PubMed PMID: 14987049 | PubMed PMID: 12477048 PMID20580652;14987049;12477048 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/20580652/
RECORD: Rec_0274401 VERIFIED: YES
Provenance & Taxonomy
Viola odorata L. and Viola tricolor L [Plant]
Cyclotide
Structure & Mods
backbone-cyclized cyclotide scaffold [Cyclic]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative
Pseudomonas aeruginosa
80 μM
MIC
PMID28669767 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/28669767/
RECORD: Rec_0290285 VERIFIED: YES
Provenance & Taxonomy
Viola odorata L. and Viola tricolor L [Plant]
Cyclotide
Structure & Mods
backbone-cyclized cyclotide scaffold [Cyclic]
canonical L-amino-acid peptide [L]
Bio-Activity Profile
Antimicrobial Antibacterial Anti-Gram-positive Anti-Gram-negative
Candida albicans
160 μM
MIC
PMID28669767 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/28669767/
RECORD: Rec_0315134 VERIFIED: YES
Provenance & Taxonomy
Viola odorata [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_0316012 VERIFIED: YES
Provenance & Taxonomy
Viola arvensis [Plant]
Defensin
Structure & Mods
side-chain cyclized peptide [Cyclic]
canonical L-amino-acid peptide [L]
None
None
5-19; 9-21; 14-26
Bio-Activity Profile
Anticancer
ACHN
4.19 μM
IC50
PaperPubMed PMID: 20580652 | PubMed PMID: 14987049 | PubMed PMID: 12477048 PMID20580652;14987049;12477048 Evidence URLhttps://pubmed.ncbi.nlm.nih.gov/20580652/
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