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Summary of Protein

Proteins are polypeptide structures consisting of 1 or more long chains of aminoalkanoic acid residues. They do a good type of organism functions, including DNA replication, transporting molecules, catalyzing metabolic reactions, and providing structural support to cells. A protein will be identified supported each level of its structure. Every protein a minimum of contains a primary, secondary, and tertiary structure. just some proteins have a quaternary structure yet. the first structure is comprised of a linear chain of amino acids.

The secondary structure contains regions of aminoalkanoic acid chains that are stabilized by hydrogen bonds from the polypeptide backbone. These hydrogen bonds create alpha-helix and beta-pleated sheets of the secondary structure. The three-dimensional shape of a protein, its tertiary structure, is decided by the interactions of side chains from the polypeptide backbone. The quaternary structure also influences the three-dimensional shape of the protein and is created through the side-chain interactions between two or more polypeptides. Each protein a minimum of contains a primary, secondary, and tertiary structure. just some proteins have a quaternary structure yet.