The esophagus empties into the stomach, a large, muscular chamber that mixes food up with digestive juices including the enzyme pepsin, which targets proteins, and lipase, which works on fats.

The enzymes lactase and sucrase, made in the small intestine, break down dairy sugar and sugar, respectively. Pepsin, made in ...

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For example, how far a modification in the protein portion of an enzyme molecule without affecting ... of the protein portion of the molecule with pepsin. The resulting substance was then isolated ...

This depends on the type of enzyme. The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. Pepsin has an optimum of pH 2.5 and a working range of between pH 1-4.

Once in the stomach, carbs have to wait while protein gets its first exposure to enzymatic digestion with the enzyme pepsin. Stomach acid is necessary for pepsin activation, which gets to work on ...

During the 1930s and 1940s, other enzymes such as trypsin and trypsinogen, chymotrysin and chymotrypsinogen, pepsin and pepsinogen, were crystallized by J.H. Northrup, R.M. Herriott, and M.