An enzyme that breaks down proteins into amino acids for absorption; it plays a key role in metabolism and biological regulation and is found mainly in humans and animals.

an enzyme in blood plasma which causes the clotting of blood by converting fibrinogen to fibrin

polymerase; an enzyme that creates long chains of nucleic acids

esterase; an enzyme that breaks down esters into an acid and an alcohol through hydrolysis

any of a group of enzymes that help digest carbohydrates by breaking down starch into sugars

an enzyme that removes hydrogen from a molecule

A digestive enzyme found in pancreatic juice that breaks down proteins into amino acids.

an organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane

a non-protein compound that is necessary for the functioning of an enzyme

An enzyme secreted by digestive glands that breaks down substances like starch, fats, and proteins in food

An enzyme that catalyzes the transfer of an amino group from an amino acid to a keto acid; it is found in the cells of the heart, liver, and kidneys.

an enzyme in gastric juice that breaks down proteins; can also be used as a medicine to aid digestion

kinase; an enzyme that catalyzes the transfer of a phosphate group from a high-energy donor molecule such as ATP to a specific substrate

an enzyme that facilitates the joining of two molecules

an enzyme that cuts DNA at specific sequences

A digestive enzyme found in pancreatic juice that converts starch into maltose

rennin; chymosin; an enzyme used to curdle milk in cheesemaking

A digestive enzyme found in pancreatic juice that breaks down fats into glycerol and fatty acids.

beta-lactamase, which is a bacterial enzyme that provides resistance to some antibiotics

prothrombin; a protein in blood plasma that is converted into thrombin during blood clotting

type of enzyme that synthesizes short RNA sequences to initiate DNA replication

An enzyme that catalyzes the synthesis of a short RNA segment called a primer during DNA replication

enzyme involved in the replication of DNA that synthesizes a short RNA segment called a primer

A molecule that binds to an enzyme and decreases its activity

hydrogenase; a type of enzyme that catalyzes the oxidation of molecular hydrogen or the reduction of protons

neuraminidase; an enzyme on the surface of viruses such as influenza that helps them spread

an enzyme capable of dissolving or breaking down cells, such as those in plant cell walls

an enzyme that has undergone aging or structural change

an enzyme in the blood plasma that helps break down choline esters

glucose-6-phosphate dehydrogenase deficiency, a genetic condition that causes red blood cells to break down in response to certain triggers such as fava beans or infections

catalase; an enzyme found in almost all living organisms that breaks down hydrogen peroxide

aminotransferase; a type of enzyme that aids in the transfer of an amino group from one molecule to another

catalase; an enzyme that catalyzes the decomposition of hydrogen peroxide into water and oxygen; also known as hydrogen peroxidase

a type of microbody found in eukaryotic cells responsible for oxidative metabolism and the breakdown of fatty acids

peroxisome, which is a type of organelle within a cell

any enzyme that catalyzes a reduction reaction

reverse transcriptase; an enzyme used to generate complementary DNA from an RNA template

an inactive substance that is converted into an enzyme when activated by another enzyme; proenzyme; fermentogen

zymase; an enzyme complex found in yeast that catalyzes the fermentation of sugar into ethanol and carbon dioxide

the process or result of identifying the locations of DNA sequences that are cut by specific enzymes; restriction pattern

myeloperoxidase (MPO), an enzyme used in molecular biology and medicine

yellow enzyme; any of a group of enzymes containing a yellow pigment, such as flavoprotein