KENNETH EWARD / BIOGRAFX / SCIENCE PHOTO LIBRARY KENNETH EWARD / BIOGRAFX / SCIENCE PHOTO LIBRARY
LIBRARY Pepsin. Computer-generated model of a molecule of the enzyme pepsin. Atoms are depicted as spheres; dark blue atoms are carbon. The active site of the enzyme is the cleft at centre left. Pepsin is an enzyme secreted in the stomach of vertebrates, along with hydrochloric acid. Pepsin splits proteins in acid solution, thereby contributing to the digestive process. The non-active form of pepsin is pepsinogen.
Model release not required. Property release not required.