proteases

Peptide bond breakers

Proteases are enzymes that break down proteins by cutting the bonds between amino acids.

They're essential to digestion, immune response, and countless cellular processes.

Different proteases target specific protein sequences: Digestive proteases like pepsin and trypsin break food proteins into absorbable fragments.

Also called proteinases or proteolytic enzymes.

biochemistry

trypsin

Pancreatic digestive protease

pepsin · thrombin · plasmin · serine · cysteine · aspartic · substrate · active site · specificity · cleavage

regulation

lysosome

Digestive organelle in cells

autophagy · homeostasis · recycling · quality control · cascade · activation · inhibition · feedback · half-life

digestion

pepsin

Gastric protein-cleaving enzyme

intestinal · amino acids · absorption · peptides · polypeptides · stomach · duodenum · proenzyme · chyme · gut

Opposites
enzymatic action

proteasesribosomes

Cellular translation machinery

polymerases · chaperones

catabolic vs anabolic function

proteasespolymerases

Nucleic acid synthesizing enzymes

protease inhibition

proteasesantiproteases

Agents blocking protein-cleaving enzymes

alpha-1 antitrypsin

Family

protease

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