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An enzyme of the urea cycle that catalyzes the formation of argininosuccinic acid from citrulline and aspartic acid in the presence of ATP. Absence o…

This amino acid is formed during the urea cycle from citrulline, aspartate and ATP. This reaction is catalyzed by argininosuccinic acid synthetase.

A noble gas with the atomic symbol Ar, atomic number 18, and atomic weight 39.948. It is used in fluorescent tubes and wherever an inert atmosphere i…

A family of RNA-binding proteins that has specificity for MICRORNAS and SMALL INTERFERING RNA molecules. The proteins take part in RNA processing eve…

A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOP…

Nitro-phenanthrenes occurring in ARISTOLOCHIACEAE and other plants. They derive from stephanine (APORPHINES) by oxidative ring cleavage. The nitro gr…

A family of proteins that contain several 42-amino acid repeat domains and are homologous to the Drosophila armadillo protein. They bind to other pro…

A reversible organophosphorus cholinesterase inhibitor. It also affects the presynaptic membrane and inhibits membrane postsynaptic cholinergic recep…

Basic helix-loop-helix (bHLH) domain-containing proteins that play important roles in CIRCADIAN RHYTHM regulation. They combine with CLOCK PROTEINS t…

Industrial chemicals which have become widespread environmental pollutants. Each aroclor is a mixture of chlorinated biphenyls (1200 series) or chlor…

An enzyme that catalyzes the desaturation (aromatization) of the ring A of C19 androgens and converts them to C18 estrogens. In this process, the 19-…

An enzyme group with broad specificity. The enzymes decarboxylate a range of aromatic amino acids including dihydroxyphenylalanine (DOPA DECARBOXYLAS…

A 48-Kd protein of the outer segment of the retinal rods and a component of the phototransduction cascade. Arrestin quenches G-protein activation by …

Regulatory proteins that down-regulate phosphorylated G-protein membrane receptors, including rod and cone photoreceptors and adrenergic receptors.

An arsenical which has been used as a feed additive for enteric conditions in pigs and poultry. It causes blindness and is ototoxic and nephrotoxic i…

Proposed chemotherapeutic agent against filaria and trichomonas.

Oxidoreductases that specifically reduce arsenate ion to arsenite ion. Reduction of arsenate is a critical step for its biotransformation into a form…

Inorganic or organic salts and esters of arsenic acid.

Metallochrome indicator that changes color when complexed to the calcium ion under physiological conditions. It is used to measure local calcium ion …

A shiny gray element with atomic symbol As, atomic number 33, and atomic weight 75. It occurs throughout the universe, mostly in the form of metallic…

An inorganic compound with the chemical formula As2O3 that is used for the treatment of ACUTE PROMYELOCYTIC LEUKEMIA in patients who have relapsed fr…

Inorganic or organic compounds that contain arsenic.

Efflux pumps that use the energy of ATP hydrolysis to pump arsenite across a membrane. They are primarily found in prokaryotic organisms, where they …

Inorganic salts or organic esters of arsenious acid.

An organoarsenic compound that was commonly used for treating SYPHILIS and other diseases.

An artemisinin derivative that is used in the treatment of MALARIA.

Drug combination of artemether and lumefantrine that is used to treat PLASMODIUM FALCIPARUM MALARIA.

A group of SESQUITERPENES and their analogs that contain a peroxide group (PEROXIDES) within an oxepin ring (OXEPINS).

A water-soluble, semi-synthetic derivative of the sesquiterpene lactone artemisinin with anti-malarial, anti-schistosomiasis, antiviral, and potentia…

Proteins synthesized by organisms belonging to the phylum ARTHROPODA. Included in this heading are proteins from the subdivisions ARACHNIDA; CRUSTACE…