Proteins can be classified based on various criteria, including their structure, function, and evolutionary relationships. Here are some common ways to classify proteins: Functions of Proteins Proteins play a diverse range of essential functions in biological systems. Here are some of the key functions of proteins: These are just a few examples of the…
Proteins have a hierarchical structural organization that can be described at different levels, including primary, secondary, tertiary, and quaternary structures. Each level of protein structure contributes to its overall three-dimensional conformation and function. It’s important to note that not all proteins have quaternary structure; some proteins exist as single polypeptide chains and have only…
Introduction Proteins are indeed the most abundant macromolecules in living systems and play a crucial role in almost all biological processes. They are involved in various functions, including digestion, absorption, metabolism, cell signaling, immune response, structural support, and enzyme catalysis. Proteins are composed of linear chains of amino acids. Amino acids are small organic…
A peptide bond is a type of covalent bond that joins amino acids together in a protein chain. It forms through a condensation reaction, also known as a dehydration synthesis reaction, between the carboxyl group (-COOH) of one amino acid and the amino group (-NH2) of another amino acid. During this reaction, a molecule…