MYP_046491
Basic Information
Kalata-B8 (Plant defensin)
Anticancer
Anticancer Cytotoxic anticancer activity Cytotoxic
Antimicrobial
Antimicrobial Antibacterial
Antiviral
Antiviral Anti-HIV
Antiviral Antiviral mechanism Viral entry inhibition
Immunology Innate immune defense Host defense peptide Host defense activity
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
31 amino acids
C134H220N38O47S6
Standard
Sequence
GSVLNCGETCLLGTCYTTGCTCNKYRVCTKD
Physicochemical Analysis
3307.80 Da
7.76
0.70
0.40
0.0227
-0.02
0.32
0.01
27.53
56.45
0.0645
2980.00
3355.00
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
1393.11
-19.72
56.0
54.0
107.0
225.0
2.0
32.0
Structural Visualization
3D PDB MODEL
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2D CHEMICAL STRUCTURE
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Experimental Records
RECORD: Rec_0001762 VERIFIED: YES
Provenance & Taxonomy
Oldenlandia affinis [Plant]
Defensin
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
6-20; 10-22; 15-28
Bio-Activity Profile
Antimicrobial Antiviral Cytotoxic
RECORD: Rec_0017731 VERIFIED: YES
Provenance & Taxonomy
Oldenlandia affinis [Plant]
Defensin
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
6-20; 10-22; 15-28
Bio-Activity Profile
Antimicrobial Antiviral Cytotoxic Anticancer
Kalata B8 inhibited the cytopathic effects of HIV-1 infection in cultured human T-lymphoblast (CEM-SS) cells with an antiviral cytoprotective concentration (EC50) of approx
RECORD: Rec_0034373 VERIFIED: YES
Provenance & Taxonomy
Oldenlandia affinis [Plant]
Defensin
60225
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization (N termini to C termini)
Cyclization (C termini to N termini)
6-20, 10-22, 15-28
Disulfide bonds between Cys6 and Cys20; Cys10 and Cys22; Cys15 and Cys28.
Bio-Activity Profile
Antiviral Anti-HIV Entry inhibition
HIV
2.5 μM
EC50
Mammalian: 30 h; Yeast: >20 h; E. coli: >10 h
RECORD: Rec_0065076 VERIFIED: YES
Provenance & Taxonomy
Oldenlandia affinis [Plant]
Defensin
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
6-20; 10-22; 15-28
Bio-Activity Profile
Antimicrobial Antiviral Cytotoxic Anticancer
CEM-SS cells
11 μM
IC50
RECORD: Rec_0069487 VERIFIED: YES
Provenance & Taxonomy
Oldenlandia affinis [Plant]
Defensin
Structure & Mods
disulfide-constrained cyclic peptide [Cyclic]
canonical L-amino-acid peptide [L]
Cyclization
Cyclization
6-20; 10-22; 15-28
Bio-Activity Profile
Antimicrobial Antiviral
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