‌Your body is a complex system of bones, skin, organs, chemicals, and more. Among the chemicals are special proteins known as hemeproteins (or hemoproteins), which are made of amino acids and iron.

Professor Jonathan Wittenberg used this model of sperm whale myoglobin structure as a teaching tool at the Albert Einstein College of Medicine at Yeshiva University in the Bronx. It was used beginning ...

Myoglobin—the first protein for which a 3D structure was determined by x-ray crystallography—still has some tricks up its sleeve, or in its pocket. This is the pocket into which myoglobin’s ...