| betacyaninuria | Synonym: beeturia. Origin: betacyanin + G. Ouron, urine (05 Mar 2000) |
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| betadine | <drug> A popular tradename iodine-containing topical antiseptic agent. (27 Sep 1997) |
| betaherpesvirinae | A subfamily of herpesviridae characterised by a relatively long replication cycle. There are two genera: cytomegalovirus and muromegalovirus. (12 Dec 1998) |
| betahistine | <chemical> N-methyl-2-pyridineethanamine. A physiological histamine analog vasodilator agent that also acts as a histamine h1 receptor agonist. It is used in meniere's disease and in vascular headaches but may exacerbate bronchial asthma and peptic ulcers. Pharmacological action: histamine agonist, vasodilator agents. Chemical name: 2-Pyridineethanamine, N-methyl- (12 Dec 1998) |
| betahistine hydrochloride | 2-[2-(Methylamino)ethyl]pyridine dihydrochloride;an inhibitor of diamine oxidase used as a histamine-like agent for treatment of Meniere's disease. (05 Mar 2000) |
| betaine | <chemical> A derivative of glycine characterised by high water solubility. Can function as an osmotic agent in plant tissues. See: biogenic amines. (18 Nov 1997) |
| betaine-aldehyde dehydrogenase | An oxidizing enzyme that catalyses the oxidation of betaine aldehyde with NAD+ and water to betaine and NADH; part of the choline oxidase system and of choline metabolism. (05 Mar 2000) |
| betalains | A group of plant pigments found almost exclusively in the family Centrospermae, for example, betamin. (05 Mar 2000) |
| betamethasone | <chemical> A glucocorticoid given orally, parenterally, by local injection, by inhalation, or applied topically in the management of various disorders in which corticosteroids are indicated. Its lack of mineralocorticoid properties makes betamethasone particularly suitable for treating cerebral oedema and congenital adrenal hyperplasia. Pharmacological action: anti-asthmatic agents, steroidal anti-inflammatory agents, glucocorticoids, synthetic, glucocorticoids, topical. Chemical name: Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17,21-trihydroxy-16-methyl-, (11beta,16beta)- (12 Dec 1998) |
| betamethasone 17-valerate | <chemical> 9-fluoro-11 beta,17,21-trihydroxy-16 beta-methylpregna-1,4-diene-3,20-dione-17-valerate. A synthetic glucocorticoid with high topical anti-inflammatory activity and relatively low systemic anti-inflammatory activity. Pharmacological action: steroidal anti-inflammatory agents, glucocorticoids, synthetic, glucocorticoids, topical. Chemical name: Pregna-1,4-diene-3,20-dione, 9-fluoro-11,21-dihydroxy-16-methyl-17-((1-oxopentyl)oxy)-, (11beta,16beta)- (12 Dec 1998) |
| betamimetic | <pharmacology> Stimulating or mimicking the stimulation of the beta adrenergic receptors of the sympathetic nervous systems, an agent that so acts. (18 Nov 1997) |
| betanidine sulfate | 1-benzyl-2,3-dimethylguanidine;an adrenergic blocking agent used for palliative treatment of hypertension. Synonym: betanidine sulfate. (05 Mar 2000) |
| betanin | The red pigment in beets (Beta vulgaris); elevated in urine of individuals with beeturia. Origin: fr. Betacyanin (05 Mar 2000) |
| betatron | <radiobiology> A circular electron accelerator that is a source of either high energy electrons or X-rays. (05 Mar 2000) |
| betaxolol | <chemical> 1-(4-(2-(cyclopropylmethoxy)ethyl)phenoxy)-3-((1-methylethyl)amino)-2-propanol. A cardioselective beta-1-adrenergic antagonist with no partial agonist activity. The drug is a potent antihypertensive agent and has been effective in the treatment of patients with glaucoma and airway diseases. Pharmacological action: adrenergic beta-antagonists, antihypertensive agents, sympatholytics. Chemical name: 2-Propanol, 1-(4-(2-(cyclopropylmethoxy)ethyl)phenoxy)-3-((1-methylethyl)amino)- (12 Dec 1998) |
| UDP-N-acetylglucosamine-peptide beta-N-acetylglucosaminyltransferase | <enzyme> Responsible for the addition of o-linked n-acetylglucosamine to proteins Registry number: EC 2.4.1.- Synonym: udp-glcnac-peptide-glcnac-transferase, glcnac transferase (26 Jun 1999) |
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| KDO beta-octulofuranoside hydrolase | <enzyme> Cleaves beta-ketoside linkage in 3-deoxy-d-manno-2-octulosonic acid-containing capsular polysaccharides Registry number: EC 3.2.1.- Synonym: glycan kdpf hydrolase, glycan kdof hydrolase (26 Jun 1999) |
| keratan-sulfate endo-1,4-beta-galactosidase | <enzyme> Do not confuse with EC 3.2.1.102 blood-group substance endo-1,4-beta-galactosidase which is also called in enzyme nomenclature endo-beta-galactosidase Registry number: EC 3.2.1.103 Synonym: keratanase, endo-beta-galactosidase (26 Jun 1999) |
| flavanone 7-O-beta-glucosyltransferase | <enzyme> Catalyses the glucosylation of the 7-oh group of naringenin to prunin; from citrus paradisi; proposed EC 2.4.1.185 Registry number: EC 2.4.1.- Synonym: f7o-glucosyltransferase (26 Jun 1999) |
| flavone 7-O-beta-glucosyltransferase | <enzyme> A number of flavones, flavonones and flavonols can act as acceptors; different from EC 2.4.1.91 Registry number: EC 2.4.1.81 Synonym: udpglucose - flavone 7-o-glucosyltransferase, udpglucose - flavonoid 7-o-glucosyltransferase (26 Jun 1999) |
| L49-sFv-beta-lactamase | <enzyme> A single-chain l49 (igg1) antibody fusion protein for anticancer prodrug activation; retains the antigen binding capability of monovalent l49 as well as the enzymatic activity of beta-lactamase Registry number: EC 3.5.2.- Synonym: l49-sfv-bl (26 Jun 1999) |
| 11 beta-hydroxysteroid dehydrogenase | <enzyme> Cortisol or cortisone have been used as substrates Registry number: EC 1.1.1.146 Synonym: corticosteroid 11-oxidoreductase, corticosteroid 11-reductase, cortisone-11-oxidoreductase, 11-hydroxysteroid dehydrogenase, 11beta-dehydrogenase, 11-oxoreductase (26 Jun 1999) |
| 12 beta-hydroxysteroid dehydrogenase | <enzyme> Isolated from clostridium paraputrificum; nadp-dependent; reduces 12-keto groups in conjugated and unconjugated acids and oxidised a 12 beta-hydroxy function Registry number: EC 1.1.1.- Synonym: 12beta-hydroxysteroid dehydrogenase (26 Jun 1999) |
| 1,3-beta-glucan synthase | <enzyme> Amino acid sequence given in second source; genbank u09275 Registry number: EC 2.4.1.34 Synonym: chrysolaminarin synthase, udp glucuose beta(1--3)glucan-beta-3-glucosyltransferase, callose synthase, glucan synthase 1 gene product (26 Jun 1999) |
| 1,4-beta-chitobiosidase | <enzyme> Catalyses the hydrolysis of chitin to release chitobiose from non-reducing ends of chains; note: exochitinase has been used for enzymes that release monomeric or dimeric products--this record applies to the enzyme(s) that release chitobiose Registry number: EC 3.2.1.- Synonym: chitobiosidase, exochitinase (chitobiose-releasing) (26 Jun 1999) |
| 1-beta-d-ribofuranosylcytosine | <biochemistry> Nucleoside consisting of D ribose and the pyrimidine base cytosine. (18 Nov 1997) |
| 1-beta-d-ribofuranosyluracil | <biochemistry> The ribonucleoside formed by the combination of ribose and uracil. (18 Nov 1997) |
| lactatriaosylceramide beta 1-3 galactosyltransferase | <enzyme> Glycolipid beta 1-3 galactosyltransferase Registry number: EC 2.4.1.- Synonym: ltc 1-3 galactosyltransferase (26 Jun 1999) |
| 2-O-alpha-D-glucopyranosyl-O-beta-D-galactopyranosyl-hydroxylysine glucohydrolase | <enzyme> Responsible for catabolism of hydroxylysine-linked disaccharide unit derived from collagen in mammals Registry number: EC 3.2.1.- Synonym: glc-gal-hyl glucohydrolase, ggh-glucohydrolase (26 Jun 1999) |
| 3 alpha-hydroxysteroid-5 beta-oxidoreductase | <enzyme> From digitalis lanata; specific for 5 beta-pregnan-3-ones; does not act on 5 alpha-pregnane-3-ones or delta 4/delta 5-pregnenes Registry number: EC 1.1.1- Synonym: 3a ohs oxidoreductase (26 Jun 1999) |