The linear sequence of amino acids within a protein is considered the primary structure of the protein. Proteins are built from a set of only twenty amino acids, each of which has a unique side chain.

(click on image to enlarge) (Image ... The sequence of amino acids in a protein, known as its primary structure, is determined by the genetic code. This sequence ultimately dictates the protein's ...

The sequence of amino acids in the chain determines how the chain will fold up to make the protein, so different proteins have different three-dimensional shapes. The three-dimensional shape of a ...