| delta(5)-3 beta-hydroxysteroid dehydrogenase | <enzyme> Converts dehydroepiandrosterone to delta-4-androstene-3,17-dione Registry number: EC 1.1.1.- Synonym: dbhdase, 3 beta-hydroxy-5-ene-steroid dehydrogenase, steroid-delta(5)-3-ol dehydrogenase (26 Jun 1999) |
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| diadenosine 5,5'''-P(1),P(4)-tetraphosphate alpha,beta-phosphorylase | <enzyme> Ap4a + inorganic po4 forms ATP + ADP Registry number: EC 2.7.7.53 Synonym: ap4a phosphorylase, ATP adenylyltransferase (26 Jun 1999) |
| dihydro-beta-erythroidine | <chemical> Dihydro analog of beta-erythroidine, which is isolated from the seeds and other plant parts of erythrina sp. Leguminosae. It is an alkaloid with curarimimetic properties. Chemical name: 16(15H)-Oxaerythrinan-15-one, 1,6-didehydro-14,17-dihydro-3-methoxy-, (3beta)- (12 Dec 1998) |
| DNA beta-glucosyltransferase | <enzyme> Transfers a beta-d-glucosyl residue from udp-glucose to hydroxymethylcytosine residues in double-stranded DNA Registry number: EC 2.4.1.27 Synonym: udp-glucose-DNA beta-d-glucosyltransferase, udp-glucose - 5-hydroxymethylcytosine beta-glucosyltransferase (26 Jun 1999) |
| DNA polymerase beta | <enzyme> A DNA repair enzyme that catalyses DNA synthesis during base excision DNA repair. Registry number: EC 2.7.7.- (12 Dec 1998) |
| dopamine beta-hydroxylase | <enzyme> Chemical name: 3,4-Dihydroxyphenethylamine, ascorbate:oxygen oxidoreductase (beta-hydroxylating) Registry number: EC 1.14.17.1 (12 Dec 1998) |
| dopamine beta-monooxygenase | A copper-containing enzyme catalyzing oxidation of ascorbate and 3,4-dihydroxyphenylethylamine simultaneously by O2 to yield norepinephrine, dehydroascorbate, and water; a crucial step in catecholamine metabolism. Synonym: dopamine beta-hydroxylase. (05 Mar 2000) |
| D-(-)-phenylglycyl-beta-lactamide amidohydrolase | <enzyme> Highly specific for substrates containing an alpha-aminophenylacetic group in the acyl moiety; from xanthomonas sp. Registry number: EC 3.5.1.- Synonym: pg-lactamide amidohydrolase (26 Jun 1999) |
| D-selenocystine alpha, beta-lyase | <enzyme> From clostridium sticklandii; pyridoxal-p enzyme; mw 74kda; decomposes d-selenocystine into pyruvate, nh3 and elemental selenium; d-cystine, d-lanthionine, meso-lanthionine and d-cysteine can also serve as substrates; d-selenocysteine, d-serine, dl-selenohomocystine and l-amino acids are inert Registry number: EC 4.99.- Synonym: dsc-ab-lyase (26 Jun 1999) |
| q beta phage | <molecular biology> A single-stranded RNA phage that specifically infects enterobacteria containing the f plasmid. It is widely used to study RNA phage and bacterial cell function. (10 Oct 1997) |
| q beta replicase | <enzyme> An enzyme that catalyses the replication of the RNA of coliphage q beta. Registry number: EC 2.7.7.- (12 Dec 1998) |
| indole-3-acetate beta-glucosyltransferase | <enzyme> Catalyses the conversion of indol-3-ylacetic acid and udp-glucose to 1-o-(indol-3-ylacetyl)-beta-d-glucose and udp Registry number: EC 2.4.1.121 Synonym: udp-glucose-indol-3-ylacetate beta-d-glucosyltransferase, 1-o-(indol-3-ylacetyl)-beta-d-glucose synthase, iab glucosyltransferase, udp-glucose-indoleacetic acid glucosyl transferase, iaa-glucose synthetase, iaglu gene product (26 Jun 1999) |
| interferon-beta | <cytokine> One of the type I interferons produced by fibroblasts in response to stimulation by live or inactivated virus or by double-stranded RNA. It is a cytokine with antiviral, antiproliferative, and immunomodulating activity. Synonym: fibroblast interferon. Pharmacological action: adjuvants, immunologic, antineoplastic agent, antiviral agents. Chemical name: Interferon-alphaB (human leukocyte protein moiety reduced) (12 Dec 1998) |
| IV(3)beta-glucuronyl neolactotetraosylceramide sulfotransferase | <enzyme> Catalyses the final step in sulfoglucuronyl glycolipid biosynthesis, in which sulfate from 3'-phosphoadenosine 5'-phosphosulfate is transferred to a hydroxy group on carbon 3 of the terminal glucuronyl residue in iv(3)beta-glucuronyl neolactotetraosylceramide Registry number: EC 2.8.2.- Synonym: ggl-st, glcanlcose(4)cer sulfotransferase, glucuronylglycolipid sulfotransferase, ggl-3-sulfotransferase (26 Jun 1999) |
| testosterone 16 beta-hydroxylase | <enzyme> See also record for testosterone hydroxylase Registry number: EC 1.14.99.- Synonym: ttt 16 beta-hydroxylase (26 Jun 1999) |