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Linezolid is a member of the oxazolidinone class of medications. [10] Linezolid was discovered in the mid-1990s, and was approved for commercial use in 2000. [16] [17] It is on the World Health Organization's List of Essential Medicines. [18] The World Health Organization classifies linezolid as critically important for human medicine. [19]
The 23S ribosomal RNA is composed of six domains forming a complex network of molecular interactions. A central single-stranded region connects all of the domains through base-pairing of the two halves, forming Helix 26a.
The predicted secondary mRNA structure for the human KLHL28 5’ untranslated region (UTR) created using RNAstructure. [16] The folding free energy of this structure is -122.6 kcal/mol. A) Zoomed-out view of the entire 5’ UTR. B) An enhanced image of the UTR start and end (ATG in green) and conserved stem-loop structures (red boxes).
The tertiary structure of the small subunit ribosomal RNA (SSU rRNA) has been resolved by X-ray crystallography. [33] The secondary structure of SSU rRNA contains 4 distinct domains—the 5', central, 3' major and 3' minor domains. A model of the secondary structure for the 5' domain (500-800 nucleotides) is shown.
Skeletal formula of the antibiotic linezolid, highlighting the oxazolidinone pharmacophore (in blue) and desirable structural characteristics (in orange). Created using ACD/ChemSketch 10.0 and Inkscape. Date: 24 June 2009: Source: Own work based on: Brickner SJ (1996).
Structure of a hammerhead ribozyme, a ribozyme that cuts RNA. Messenger RNA (mRNA) is the type of RNA that carries information from DNA to the ribosome, the sites of protein synthesis (translation) in the cell cytoplasm. The coding sequence of the mRNA determines the amino acid sequence in the protein that is produced. [27]
Universal structure of eukaryotic mRNA, showing the structure of the 5' and 3' UTRs. Untranslated regions (UTRs) are sections of the mRNA before the start codon and after the stop codon that are not translated, termed the five prime untranslated region (5' UTR) and three prime untranslated region (3' UTR), respectively.
Simplified schematic of mRNA translation. A protein synthesis inhibitor is a compound that stops or slows the growth or proliferation of cells by disrupting the processes that lead directly to the generation of new proteins. [1] A ribosome is a biological machine that utilizes protein dynamics on nanoscales to translate RNA into proteins