ChEBI

Any minor or unwanted substance introduced into the environment that can have undesired effects.

A molecular entity capable of accepting a hydron from a donor (Bronsted acid).

The biological role played by a material entity when bound by a receptor of the adaptive immune system. Specific site on an antigen to which an antibody binds.

An EC 2.5.1.* (non-methyl-alkyl or aryl transferase) inhibitor that interferes with the action of dihydropteroate synthase (EC 2.5.1.15), an enzyme that catalyzes the formation of dihydropteroate from p-aminobenzoic acid and dihydropteridine-hydroxymethyl-pyrophosphate.

A substance that kills or slows the growth of microorganisms, including bacteria, viruses, fungi and protozoans.

Any drug which causes the onset of an allergic reaction.

An enzyme inhibitor that interferes with the activity of cytochrome P450 involved in catalysis of organic substances.

An EC 1.1.1.* (oxidoreductase acting on donor CH-OH group, NAD+ or NADP+ acceptor) inhibitor that interferes with the activity of sepiapterin reductase (L-erythro-7,8-dihydrobiopterin forming), EC 1.1.1.153, which plays an important part in the biosynthesis of tetrahydrobiopterin.

A substance (or active part thereof) that kills or slows the growth of bacteria.

A xenobiotic (Greek, xenos "foreign"; bios "life") is a compound that is foreign to a living organism. Principal xenobiotics include: drugs, carcinogens and various compounds that have been introduced into the environment by artificial means.

Any drug which causes the onset of an allergic reaction.

A substance used in the prophylaxis or therapy of infectious diseases.