Viomycin is an antibiotic. It belongs to the class of drugs known as aminoglycosides. Viomycin works by inhibiting protein synthesis in bacteria, ultimately leading to their death.
CAT No: R2241
CAS No:32988-50-4
Chemical Name:(3S)-3,6-diamino-N-[(3S,6Z,9S,12S,15S)-3-[(4R,6S)-2-amino-6-hydroxy-1,4,5,6-tetrahydropyrimidin-4-yl]-6-[(carbamoylamino)methylidene]-9,12-bis(hydroxymethyl)-2,5,8,11,14-pentaoxo-1,4,7,10,13-pentazacyclohexadec-15-yl]hexanamide
Viomycin is a cyclic peptide antibiotic that belongs to the tuberactinomycin family and is characterized by its complex structure containing unusual amino acid residues. Isolated from the actinomycete Streptomyces species, viomycin is notable for its potent inhibition of protein synthesis in prokaryotic organisms, acting primarily by binding to ribosomal RNA and disrupting translational fidelity. Its biochemical properties and well-defined mechanism of action have made it a valuable tool compound in molecular biology and microbiological research, particularly in studies focused on ribosomal function, antibiotic resistance, and the development of novel antimicrobial strategies. Due to its unique mode of action and specificity for bacterial ribosomes, viomycin continues to be of significant interest for researchers investigating the fundamental processes of translation and the molecular basis of antibiotic activity.
Antibiotic mechanism research: Viomycin is extensively utilized in studies investigating the molecular mechanisms of ribosomal inhibition. By interacting with the 16S and 23S rRNA within the bacterial 70S ribosome, it interferes with the translocation step of protein synthesis, thereby serving as a model compound for dissecting the intricate processes of translation inhibition. Researchers employ viomycin to elucidate the structural and functional dynamics of ribosomal complexes, enabling a deeper understanding of how peptide antibiotics compromise bacterial viability at the molecular level.
Antibiotic resistance studies: The compound is a critical reagent in the exploration of resistance mechanisms to peptide antibiotics. Its use in experimental systems allows for the identification and characterization of genetic mutations in ribosomal RNA and associated proteins that confer resistance. Such investigations are essential for mapping the evolutionary pathways of antibiotic resistance in clinically relevant bacterial strains and for informing the rational design of next-generation antimicrobials with improved efficacy.
Structure-function analysis of ribosomes: Viomycin serves as a powerful probe for structural biology applications, including X-ray crystallography and cryo-electron microscopy studies of the ribosome. By stabilizing specific conformational states of the ribosome, it facilitates high-resolution structural analysis, enhancing the visualization of antibiotic binding sites and conformational changes during translation. These insights are invaluable for advancing the field of ribosome-targeted drug discovery and for guiding the engineering of novel peptide-based inhibitors.
Peptide antibiotic biosynthesis research: The biosynthetic pathway of viomycin, involving non-ribosomal peptide synthetases and unique post-translational modifications, is a subject of interest in natural product chemistry and synthetic biology. Researchers utilize viomycin as a reference compound to investigate the enzymatic steps and genetic determinants underlying the assembly of complex cyclic peptides. Such studies contribute to a broader understanding of microbial secondary metabolism and support the development of engineered biosynthetic pathways for the production of novel peptide antibiotics.
Analytical standards and assay development: In biochemical laboratories, viomycin is frequently employed as a reference standard for the quantification and detection of peptide antibiotics in various analytical platforms, including high-performance liquid chromatography and mass spectrometry. Its well-characterized physicochemical properties make it suitable for validating assay performance, calibrating analytical instruments, and supporting quality control in research and industrial settings where accurate measurement of peptide antibiotics is required.
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