Labels and tags are a subcategory of signaling pathways that play a crucial role in cell communication and regulation. These molecular markers are used to identify specific molecules, proteins, or compartments within the cell, allowing for precise signaling and coordination of cellular activities.
Labels are typically small molecules or chemical groups that are added to proteins or other molecules to mark them for specific cellular functions. These labels can help regulate the activity of proteins, target them for degradation, or signal their movement within the cell.
Tags, on the other hand, are larger protein domains that can be added to proteins to alter their function or localization. These tags can be used for protein purification, visualization, or for tracking the movement of proteins within cellular compartments.
Overall, labels and tags are essential for the proper functioning of signaling pathways in cells. They allow for precise communication between cells and ensure that important cellular processes are carried out efficiently.
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