| R' | in electrocardiography, the second positive deflection during the QRS complex |
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| RCC | radiological control center; rape crisis center; ratio of cost to charges; receptor-chemoeffector co... |
| ROCF | Rey-Osterrieth Complex Figure |
| rSr | an electrocardiographic complex |
| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| D-erythritol 1-phosphate dehydrogenase | <enzyme> Chemical name: d-erythro-tetritol 1-phosphate nad(+) 2-oxidoreductase Registry number: EC 1.1.1.- (26 Jun 1999) |
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| desulfo xanthine dehydrogenase | <enzyme> Naturally occuring inactive form of xanthine dehydrogenase Registry number: EC 1.1.1.- (26 Jun 1999) |
| D-fructose 5-dehydrogenase | <enzyme> Catalyses the oxidation of fructose with any acceptor to 5-ketofructose and reduced acceptor Registry number: EC 1.1.99.11 (26 Jun 1999) |
| dihydroanisoin dehydrogenase | <enzyme> Catalyses the NADH-dependent reduction of the carbonyl group of benzoin and anisoin; oxidoreductases from pseudomonas fluorescens biovar i Registry number: EC 1.1.1.- (26 Jun 1999) |
| dihydrolipoamide dehydrogenase | <enzyme> An enzyme oxidizing dihydrolipoamide at the expense of NAD+; completes the oxidative decarboxylation of pyruvate; a part of several enzyme complexes (e.g., alpha-ketoglutarate dehydrogenase complex). Decreased activity leads to neuronal loss in brain resulting in psychomotor retardation. Synonym: coenzyme factor, lipoamide dehydrogenase, lipoamide reductase (NADH), lipoyl dehydrogenase. (05 Mar 2000) |
| dihydroorotate dehydrogenase | <enzyme> Converts (s)-dihydroorotate and an aceptor to orotate and a reducted aceptor; dihydro-orotate dehydrogenase was see dihydro-orotate oxidase 1977-93 Registry number: EC 1.3.99.11 Synonym: dihydro-orotate-cytochrome c reductase, dihydro-orotate dehydrogenase (26 Jun 1999) |
| dihydropyrimidine dehydrogenase | <enzyme> An enzyme in pyrimidine biosynthesis that reacts 5,6-dihydrouracil with NADP+ to form uracil and NADPH; it also acts on dihydrothymine; a deficiency of this enzyme can result in hyperuracil thyminuria. Synonym: dihydrouracil dehydrogenase. (05 Mar 2000) |
| dihydrouracil dehydrogenase | <enzyme> Uses nad Registry number: EC 1.3.1.1 Synonym: dihydrothymine dehydrogenase (26 Jun 1999) |
| dimethylamine dehydrogenase | <enzyme> From hyphomicrobium, 6-s-cysteinyl-fmn is coenzyme Registry number: EC 1.5.99.- (26 Jun 1999) |
| dimethylglycine dehydrogenase | <enzyme> Chemical name: n,n-dimethylglycine oxidoreductase Registry number: EC 1.5.99.2 (26 Jun 1999) |
| D-lactaldehyde dehydrogenase | <enzyme> Catalyses oxidation of lactaldehyde to methylglyoxal in presence of nad Registry number: EC 1.1.1.78 Synonym: methylglyoxal reductase (26 Jun 1999) |
| D-lactate dehydrogenase | <enzyme> Catalyses the conversion of (r)-lactate and nad+ to pyruvate and NADH; amino acid sequence from lactobacillus delbrueckii given in first source Registry number: EC 1.1.1.28 Synonym: d-ldh (26 Jun 1999) |
| D-mandelate dehydrogenase | <enzyme> Uses nad; forms benzoylformate Registry number: EC 1.1.1.- (26 Jun 1999) |
| D-octopine dehydrogenase | <enzyme> Catalyses reductive condensation between pyruvate and arginine, lysine, histidine or ornithine to yield, respectively, octopine, lysopine, histopine or octopinic acid; NADH is cofactor Registry number: EC 1.5.1.11 Synonym: octopine synthase, octopine dehydrogenase (26 Jun 1999) |
| d-sorbitol-6-phosphate dehydrogenase | An oxidoreductase that catalyses the interconversion of d-sorbitol 6-phosphate and NAD+ to d-fructose 6-phosphate and NADH. A key step in fructose metabolism in the lens. Synonym: ketose reductase. (05 Mar 2000) |