n
Synonym of hydroxyacetone
n
(medicine) A commercial preparation containing amino acids
n
(organic chemistry) Any of a group of arabinofuranosides of cytosine, some of which are anti-tumor agents
n
Synonym of aristolochic acid
n
(pharmacology) Synonym of zidovudine.
n
(biochemistry) The amino sugar 2,4-diamino-2,4,6-trideoxy-D-glucose found in some bacilli
n
(biochemistry) An organic compound having the chemical formula C₁₆H₂₈N₄O₄S, formed by covalent bonding between biotin and a lysine residue
n
A coenzyme produced within the body, an oxidized degradation product of tetrahydrobiopterin. Defects in biopterin synthesis or regeneration can cause a form of hyperphenylalaninemia, and biopterin deficiency has been associated with dystonia and rabies.
n
(biochemistry) A sulfur-containing member of the vitamin B complex, 5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid, found in liver, egg yolk, milk, and yeast, essential to the activity of multiple enzyme systems.
n
(biochemistry) A dimer of a retinoid
n
Alternative form of bromelein [(biochemistry) A proteolytic enzyme found in pineapples]
n
Alternative form of creatinine [(biochemistry) A heterocyclic amine, 2-amino-1-methyl-5H-imidazol-4-one, formed by the metabolism of creatine.]
n
(biochemistry) A synthetic form of vitamin B₁₂ (cobalamin).
n
A non-proteinogenic amino acid that is a specific reversible inhibitor of nucleic acid methylation.
n
(biochemistry) The simplest stable aminothiol, a degradation product of the amino acid cysteine, used to treat cystine excretion disorders and radiation sickness.
n
(organic chemistry) An adenine hexoside found in Streptomyces hygroscopicus var. decoyicus bacteria.
n
Synonym of desthiobiotin
n
An adenine derivative that accumulates in a form of urolithiasis.
n
A physiologically active metabolite of a vitamin, with two hydroxy groups substituted in any position.
n
Alternative form of dimeglumine [Two molecules of meglumine in a compound]
n
A disulfide derivative of thiamine, or an allithiamine.
n
Synonym of glucuronolactone
n
(biochemistry) Any of a family of metabolites formally generated by the addition of the elements of hydrogen peroxide to a flavin
n
(biochemistry) A natural analogue of vitamin B₁₂, a basic member of the cobalamin family of compounds, with an intense red colour.
n
(biochemistry) Any of several hydroxy derivatives of cholesterol, some of which are metabolic intermediates
n
(biochemistry) Any hydroxy derivative of a vitamin, but in practice a derivative of vitamin D that is measured in order to diagnose vitamin D deficiency
n
A nucleoside and thymidine analogue that is a radiosensitizer.
n
(organic chemistry) The isomer of guanine 6-amino-1,7-dihydropurin-2-one
n
Alternative form of kynurenine [(organic chemistry) A metabolite, 2-amino-4-(2-aminophenyl)- 4-oxo-butanoic acid, that is an intermediate in the conversion of tryptophan to niacin.]
n
(organic chemistry) A metabolite, 2-amino-4-(2-aminophenyl)- 4-oxo-butanoic acid, that is an intermediate in the conversion of tryptophan to niacin.
n
(biochemistry) A photoisomer produced by the excessive irradiation of ergosterol, lumisterol, or vitamin D
n
(biochemistry) A water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism.
n
(biochemistry) pyridine-3-carboxylic acid; together with nicotinamide is a part of the vitamin B complex
n
An isomer of leucine, not found in natural proteins, used in experimental studies of protein structure and function.
n
(organic chemistry) Synonym of hydroxycholecalciferol
n
(biochemistry) Synonym of cupredoxin
n
(biochemistry) Any of a small group of proteins, rich in tryptophan, found only in wheat
n
(biochemistry) One of the three natural forms of vitamin B6
n
(biochemistry) A constituent of vitamin B6, essential for the metabolism of starch and amino acids.
n
Alternative form of pyridoxine [(biochemistry) A derivative of pyridine, 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol, found in fish, liver, cereals and yeast, and essential for the metabolism of amino acids and starch.]
n
(biochemistry) A derivative of pyridine, 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol, found in fish, liver, cereals and yeast, and essential for the metabolism of amino acids and starch.
n
Synonym of monosodium glutamate
n
(biochemistry) A naturally-occurring nutrient and essential cofactor of the three aromatic amino acid hydroxylase enzymes, used in the biosynthesis of the neurotransmitters serotonin, melatonin, dopamine, norepinephrine, epinephrine, and nitric oxide.
n
Alternative spelling of thiamine [(biochemistry) One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.]
n
(biochemistry) One of the constituents of vitamin B complex, found in meat, yeast and bran, that is necessary for the metabolism of carbohydrates.
n
(biochemistry) Abbreviation of threonine. [(biochemistry) An essential amino acid C₄H₉NO₃ found in most animal proteins.]
n
(biochemistry) A phenolic amino acid that occurs naturally only in the iodinated form of thyroxine
n
(biochemistry) An essential amino acid having an indole side chain; it is present in many foods, especially chocolate, oats, bananas and milk; it is essential for normal growth and development and is the precursor of serotonin and niacin; any specific form of this compound, or any derivative of it.
n
Alternative form of tryptophan [(biochemistry) An essential amino acid having an indole side chain; it is present in many foods, especially chocolate, oats, bananas and milk; it is essential for normal growth and development and is the precursor of serotonin and niacin; any specific form of this compound, or any derivative of it.]
n
Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function; found in minute amounts in plant and animal foods or sometimes produced synthetically; deficiencies of specific vitamins produce specific disorders.
n
(biochemistry) Any of several closely related fat-soluble vitamins that are essential for normal vision; retinol.
n
A group of water-soluble vitamins, once thought to be a single vitamin, occurring in yeast, liver, eggs etc.
n
(biochemistry) The compound cobalamin or cyanocobalamin.
n
(biochemistry) Any of a number of fat-soluble vitamins, required for normal bone development and that prevents rickets; can be manufactured in the skin on exposure to sunlight.
n
(dated) essential fatty acids
n
vitamin B₂ or riboflavin.
n
Obsolete form of vitamin. [Any of a specific group of organic compounds essential in small quantities for healthy human growth, metabolism, development, and body function; found in minute amounts in plant and animal foods or sometimes produced synthetically; deficiencies of specific vitamins produce specific disorders.]
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