Biological Target - Drug Targets

Drug Targets

The term biological target is frequently used in pharmaceutical research to describe the native protein in the body whose activity is modified by a drug resulting in a desirable therapeutic effect. In this context, the biological target is often referred to as a drug target. The most common drug targets of currently marketed drugs include:

  • proteins
    • G protein-coupled receptors (target of 50% of drugs)
    • enzymes (especially protein kinases, proteases, esterases, and phosphatases)
    • ion channels
      • ligand-gated ion channels
      • voltage-gated ion channels
    • nuclear hormone receptors
    • structural proteins such as tubulin
    • membrane transport proteins
  • nucleic acids

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