Primary structure of protein: A protein’s primary structure is the unique

A protein’s primary structure is the unique sequence of amino acids in each polypeptide chain that makes up the protein. Because the final protein structure ultimately depends on this sequence, this is called the primary structure of the polypeptide chain. Primary Structure The unique sequence of amino acids in a polypeptide chain is its primary structure. The linear sequence of amino acids in the polypeptide chain are held together by peptide bonds and result in the N-C-C-N-C-C patterned backbone. To reiterate, the primary structure of a protein is defined as the sequence of amino acids linked together to form a polypeptide chain. Each amino acid is linked to the next amino acid through peptide bonds created during the protein biosynthesis. Peptide bond, disulfide bond, their nomenclature, and their characteristics, along with the primary structure of proteins and their importance, are described.