Pepsin - Wikipedia
Pepsin is an aspartic protease, using a catalytic aspartate in its active site. [2] It is one of three principal endopeptidases (enzymes cutting proteins in the middle) in the human digestive system, the other …
Pepsin: Signs You Need This Vital Enzyme and How to Get It ...
Nov 5, 2018 · The definition of pepsin is a digestive enzyme in the stomach that breaks down proteins into smaller units called polypeptides (or peptides for short). This enzyme helps digest proteins — …
Pepsin | Description, Production, & Function | Britannica
Pepsin is a powerful enzyme in gastric juice that digests proteins such as those in meat, seeds, and dairy products. It is the mature active form of pepsinogen, which is released into the stomach and …
Physiology, Pepsin - StatPearls - NCBI Bookshelf
May 1, 2023 · Pepsin is an endopeptidase that breaks down dietary proteins reaching the stomach into amino acids. It functions by digesting peptide bonds, the predominant chemical bonds found in proteins.
Rethinking Reflux: The Real Culprit Isn’t Acid—It’s Pepsin
Feb 24, 2025 · At-A-Glance The digestive enzyme pepsin, not acid, is the primary culprit behind reflux-related damage. Unlike acid, pepsin sticks to tissues in the throat and airways, reactivating with …
What Is the Function of Pepsin and Why Is It Important?
Aug 6, 2025 · How Pepsin Works Pepsin’s function is to break down large protein molecules into smaller units called polypeptides. This initial breakdown is a step in protein digestion. Pepsin accomplishes …
Pepsin: The Powerful Enzyme That Breaks Down Protein
Nov 7, 2025 · Pepsin is the primary protein-digesting enzyme in the stomach, responsible for breaking down dietary proteins into smaller peptides that can be further processed by intestinal enzymes.