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Protein Structure

 Protein structure is that the three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins are polymers – explicitly polypeptides – framed from groupings of amino acids, the monomers of the polymer  A single aminoalkanoic acid monomer can also be called a residue indicating a repeating unit of a polymer. The four levels of protein structure are distinguished from each other by the degree of complexity within the polypeptide chain. A single molecule may contain one or more of the protein structure types: primary, secondary, tertiary, and quaternary structure Proteins are linear polymers built of monomer units called amino acids.The function of a protein is directly hooked in to its three dimensional structure. Astoundingly, proteins suddenly overlay up into three-dimensional structures that are controlled by the arrangement of amino acids inside the protein polymer. 

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