Acromiodeltoid is the shortest of the deltoid muscles. In humans, its is present over the upper arm and shoulder. It causes forward, backward, raising the arm in a flapping motion, rotation of the arm. It also helps in medial rotation of the humerus bone. It originates from scapula and clavicle and inserts into the humerus.
The molecule that an enzyme interacts with is called the substrate and the region of the enzyme that recognizes it is called the active site. Each enzyme molecule has only one active site.
