The primary elements that make up protiens are: Hydrogen, Oxygen, Nitrogen, Sulfur, and Selenium. The structure of proteins is linked through peptide bonds into a chain. Two examples of the macromolecule protein are amino acids and myoglobin. The function of proteins are: repair and maintenance, creating energy, controlling hormones, Enzymes, transportation and storing of molecules, and antibodies. The types of bonds a protein has are: quarternary protein and tertiary protein bonds. An interesting fact about a protein is that it does many things for your body and it is a main macromolecule. Proteins are found in the bloodstreem of the human body.