Various enzymes and cell surface receptors

The designation 'Various enzymes and cell surface receptors' is a generic, non-specific classification used in pharmacology to describe agents that interact with a wide array of biological targets rather than a single, well-defined molecule (DrugBank Online, 2024). This term is typically applied to substances like ethanol, general anesthetics, or certain metal ions that exhibit high levels of polypharmacology, affecting numerous signaling pathways and metabolic processes simultaneously (Hopkins, A. L., Nature Chemical Biology, 2008). Because it encompasses both intracellular catalysts and membrane-bound transducers, the biological impact of hitting these 'targets' is broad, ranging from the alteration of membrane fluidity to the inhibition of diverse enzymatic reactions (Bowes, J., et al., Nature Reviews Drug Discovery, 2012). From a drug development perspective, this lack of specificity often presents significant challenges in predicting safety profiles and therapeutic indices, as the multi-target nature can lead to extensive off-target effects and systemic toxicity. Consequently, this term is considered a placeholder in structured data, indicating that the specific molecular stoichiometry of the drug-target interaction is either unknown or too complex to be attributed to a single canonical protein.

Other names

Multi-target profileNon-specific targetsPolypharmacological targets

Broad-spectrum modulation of multiple distinct protein targets, including catalytic enzymes and transmembrane receptors, often through non-specific physical or chemical interactions.