What is the importance of the sequence of amino acids in proteins?

The sequence of amino acids in proteins is fundamental to determining how a protein folds into its unique three-dimensional structure. This specific sequence, known as the primary structure, not only governs the shape of the protein but also influences its stability and interaction with other molecules. The folding pattern of a protein directly affects its biological activity, which includes how well it can perform its specific function in the cell, such as catalyzing reactions (as an enzyme), providing structural support, or facilitating communication between cells. Therefore, the relationship between the amino acid sequence and the protein's resulting structure is crucial for understanding its role in biological processes.