Multiple enzymes and cellular components

The term "Multiple enzymes and cellular components" is a non-specific designation used in pharmacological databases to classify agents that do not interact with a single, well-defined molecular target (DrugBank, 2024). Instead, these agents exert their therapeutic or toxic effects by interacting with a broad array of proteins, enzymes, nucleic acids, or lipid membranes within the cell (NCBI, 2023). This classification is frequently applied to cytotoxic chemotherapy agents like alkylating agents, which damage DNA and inhibit numerous enzymes involved in replication, or to antiseptic agents that disrupt cellular integrity globally (StatPearls, 2023). For example, ethanol and other alcohols act by fluidizing cell membranes and denaturing a wide variety of intracellular proteins rather than binding to a specific receptor (PubMed, 2022). Because of this lack of specificity, such agents often have a wide range of biological effects and a higher potential for systemic toxicity compared to targeted therapies. In a clinical context, this label serves as a placeholder when the primary effect is the result of a cumulative impact on the cellular environment rather than a discrete signaling pathway (NIH, 2024). Consequently, it is considered an imprecise target definition for modern drug discovery, which typically favors high-affinity interactions with specific molecular entities.

Other names

Multi-targetNon-specific cellular targetsVarious cellular componentsNon-specific interaction

Non-specific chemical modification of proteins and nucleic acids, or physical disruption of cellular membranes and organelles.