| 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... |
| glucan 1,3-beta-glucosidase | <enzyme> Chemical name: exo-1,3-beta-glucanase Registry number: EC 3.2.1.58 Synonym: beta-(1-3)-glucanase, exoglucanase, 1,3-beta-glucanase, antiviral tobacco protein gp35, exo-1,3 beta-d-glucosidase, exg1 gene product, exoglucanase II, beta-1,3-glucanase (26 Jun 1999) |
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| glucan endo-1,3-beta-d-glucosidase | <enzyme> An enzyme that hydrolyzes 1,3-beta-d-glucosidic linkages in 1,3-beta-d-glucans including laminarin, paramylon, and pachyman. Chemical name: 1,3-beta-D-Glucan glucanohydrolase Registry number: EC 3.2.1.39 (12 Dec 1998) |
| glucosaminylgalactosylglucosylceramide beta-galactosyltransferase | <enzyme> Attaches galactose in a beta 1-3 bond to form the tetrasaccharide-ceramide Registry number: EC 2.4.1.86 Synonym: lc3 galactosyltransferase, udp-galactose-lc3 galactosyltransferase, lactotriosylceramide galactosyltransferase, glcnac beta1-3 gal beta1-4 glc beta1-cer galactosyltransferase, lactatriaosylceramide beta 1-3-galactosyltransferase (26 Jun 1999) |
| glucosylceramide beta-1-4-galactosyltransferase | <enzyme> Catalyses the formation of lactosylceramide from glucosylceramide and udp galactose; also uses dihexosides as acceptor Registry number: EC 2.4.1.- Synonym: udpgalactose ceramide monohexoside galactosyltransferase, glccer galactosyltransferase, galt-2, udpgalactose-glucosylceramide beta-1-4-galactosyltransferase (26 Jun 1999) |
| medication, beta-blocker | Drugs that antagonise the action of adrenaline (a beta adrenergic substance) and relieve stress to the heart muscle. Beta-blockers are often used to slow the heart rate or lower the blood pressure. (12 Dec 1998) |
| glycine-rich beta-glycoprotein | <enzyme> A glycine-rich, heat-labile beta-glycoprotein found in blood. It is a proactivator of complement 3 in the alternate pathway of complement activation. Factor b is converted by factor d to c3 convertase. Registry number: EC 3.4.21.47 (12 Dec 1998) |
| glycine-rich beta-glycoproteinase | <enzyme> A serum protein which during the alternate pathway of complement activation converts the inactive properdin factor b to c3 convertase. Registry number: EC 3.4.21.46 (12 Dec 1998) |
| glycoprotein-N-acetylgalactosamine 3-beta-galactosyltransferase | <enzyme> Forms o-glycan core i; forms galactosyl beta 1,3-n-acetylgalactosaminide mucin Registry number: EC 2.4.1.122 Synonym: udp-galactose-n-acetylgalactosamine-alpha-r beta3-galactosyltransferase, glycoprotein-galnac-galactosyltransferase, gp galnac gal transferase, core I beta3-galactosyltransferase, galnac-1-o-ser or thr 1-3 galactosyltransferase, udp-gal-n-acetylgalactosaminide mucin-beta 1,3-galactosyltransferase, udpgal-nacgm-galactosyltransferase, udp-galactose-alpha-n-acetylgalactosaminide beta 3 galactosyltransferase (26 Jun 1999) |
| glycyrrhizin beta-D-glucuronidase | <enzyme> From eubacterium sp. Found in human intestinal flora; hydrolyzes glycyrrhizin to glycyrrhetic acid Registry number: EC 3.2.1.- Synonym: gbd-glucuronidase (26 Jun 1999) |
| GM2-N-acetyl-beta-D-galactosaminidase | <enzyme> May be an aspect of hexosaminidase a Registry number: EC 3.2.1.- Synonym: gm2-ag-aminidase, ganglioside gm2 hydrolase (26 Jun 1999) |
| chitobiosyldiphosphodolichol beta-mannosyltransferase | <enzyme> Adds mannose from GDP mannose to glcnac-glcnac-pyrophosphoryl-dolichol in beta-1,4 linkage Registry number: EC 2.4.1.- Synonym: dolichyl dip mannosyltransferase, dolichol pathway enzyme III, GDP-mannose-dolichyldiphosphate chitobiose mannosyltransferase, alg1 gene product, dolichyl-diphosphate-n-acetylglucosaminyl2 mannosyltransferase, GDP-man - dol-pp-glcnac2 mannosyltransferase, dolpp-glcnac mannosyltransferase, beta-1,4-mannosyltransferase, asparagine-linked glycosylation gene 1, erc14 gene product (26 Jun 1999) |
| guaiacylglycerol beta-O-4-guaiacyl ether dehydrogenase | <enzyme> Nad+ required; forms the corresponding ketone at the alpha carbon of the glycerol side chain Registry number: EC 1.1.1.- Synonym: gge dehydrogenase (26 Jun 1999) |
| cholestenone 5 beta-reductase | <enzyme> A liver enzyme; may be same protein as EC 1.3.1.3 Registry number: EC 1.3.1.23 Synonym: delta(4)-3-ketosteroid-5 beta reductase, 3-keto-5-beta steroid-nadp+ -delta 4-oxidoreductase, androstenedione 5 beta-reductase, delta(4)-oxosteroid 5 beta-reductase, delta(4)-3-oxosteroid 5beta-reductase (26 Jun 1999) |
| chorionic gonadotropin, beta subunit, human | The beta subunit of human chorionic gonadotropin. It is used as a clinical marker to facilitate early detection of normal pregnancy and significantly contributes to the diagnosis of various pregnancy-related disorders, such as ectopic pregnancy, spontaneous abortion, hydatidiform mole, choriocarcinoma, or trisomy 21. Further, determination of this marker is immensely helpful to guide curative intervention in testicular cancer. Other possible clinical uses includes as a marker of cancers of the bladder, pancreas, or biliary tract. (scan j clin lab invest suppl 1993;216:97-104) (12 Dec 1998) |
| poly(beta-D-mannuronate) lyase | <enzyme> Amino acid sequence has been determined for sp1 and sp2 isoenzymes from midgut of wreath shell, turbo cornutus Registry number: EC 4.2.2.3 Synonym: poly(1,4-beta-d-mannuronide)lyase, alginate lyase I, alginate lyase, aly gene product, mannuronate lyase sp1, mannuronate lyase sp2 (26 Jun 1999) |