![]() ![]() We distinguish:įibrillar proteins, insoluble in water, mainly perform structural functions. Simple proteins contain chains made up of only ' amino acids. Protein Classification Proteins can be divided into two basic groups according to their composition. Peptides are shorter chains of amino acids than proteins (less than 100) and have a molecular weight of less than 10,000. Polycondensation creates a chain of different lengths of amino acids terminated on one side by a free amino group, the ``N-end, and on the opposite side by a free carboxyl group, the C-end. ![]() It connects the amino group of one amino acid and the carboxyl group of the other amino acid by a simple covalent bond. Proteins are macromolecular organic substances formed by a chain of amino acids' connected to each other peptide bond. This article has been translated from WikiSkripta ready for the editor's review.
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