Cofactor interaction refers to the way small molecules or ions can assist biological macromolecules, such as enzymes, to perform their biological activities effectively. These interactions can influence the structural stability and catalytic mechanisms of enzymes, potentially impacting metabolic pathways and overall cellular function.
Activator proteins are essential components of transcription regulation in cells, functioning to enhance the transcription of specific genes by binding to DNA sequences known as enhancers. They often interact with the transcriptional machinery and other cofactors to modulate gene expression, influencing cellular processes such as growth, differentiation, and response to external signals.
Chemical inhibitors are molecules that can selectively impede specific biochemical reactions, often serving as vital tools in both research and medicine to regulate enzyme activities. These inhibitors can be classified based on their mechanism of action, including competitive, non-competitive, and uncompetitive inhibitors, and are crucial in drug development and environmental applications.