2016-2017 EOA BOARD OF DIRECTORS. EOA is a nonprofit consortium of professionals with the purpose of leveling the playing field of educational opportunity for first-generation, low-income, and disabled students. Register to attend the 43rd Annual EOA Professional Conference in Schaumburg, Illinois on November 12-15 2017!
As the pH increases, the amino group looses a proton. Proteins are formed by a condensation reaction that joins the amino group of one amino acid with the carboxyl group of another. The resulting bond is a type of covalent bond called a peptide bond.Thus, proteins are also called polypeptides-because they contain oodles of peptide bonds.rimary structure-Refers to the sequence of amino acids in the protein. Once formed, the protein immediately folds and takes on a particular 3D configuration (see below). The shape of the protein is determined by the sequence of amino acids (the primary structure). Let s use pop beads to model a protein.
1 Quaternary Structure-refers to the structure of a protein macromolecule formed by interactions between multiple polypeptide chains. 2  Each polypeptide chain is referred to as a subunit. 3  Proteins with quaternary structure may consist of more than one of the same type of protein subunit. There are two types of secondary structures observed in proteins. 2  One type is the alpha (Î±) helix structure. 3  This structure resembles a coiled spring and is secured by hydrogen bonding in the polypeptide chain. 4  The second type of secondary structure in proteins is the beta (Î²) pleated sheet.