(1) Discuss this statement Although only 26 % of their primary structures are identical, human myoglobin and the human hemoglobin alpha chain have similar tertiary structures and functions. Keywords: Heme; Oxygen storage/ transport, Structure / function paradigm OR (2) Discuss three aspects of ligand interactions with a carbohydrate binding protein, You may refer to PDB entry TURG. Keywords: CH.pi bond, Hydrogen bond, Tryptophan