| TBG | beta-thromboglobulin; testosterone-binding globulin; thyroglobulin; thyroid-binding globulin; thyrox... |
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| SSB | short spike burst; sicca syndrome B; single-strand break; single-stranded binding [protein]; stereos... |
| ADPR | adenosine diphosphate ribose |
| PPRP | polyadenosine diphosphate-ribose polymerase |
| Rib | riboflavin; ribose |
| adenosine diphosphate ribose cyclase | <enzyme> Catalyses conversion of nadp to 2'-phospho-cyclic adenosine diphosphoribose; do not use for formation of cyclic adpribose (see ADP-ribosyl cyclase) Registry number: EC 4.6.- Synonym: 2'-p-adpr cyclase (26 Jun 1999) |
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| ADP ribose-histone hydrolase | <enzyme> Splits bond between ADP ribose and histone Registry number: EC 4.2.99.- Synonym: ADP-ribosyl histone splitting enzyme, ADP-ribosyl protein lyase (26 Jun 1999) |
| ribose | A monosaccharide pentose of widespread occurrence in biological molecules, for example RNA. (18 Nov 1997) |
| ribose-1,5-diphosphate synthase | <enzyme> Uses ribose 1-(or 5)p as phosphoryl acceptor and acyl-p of 3-phosphoglyceroylphosphate as phosphoryl donor; similar reaction to glucose 1,6-bisphosphate synthase Registry number: EC 2.7.1.- Synonym: ribose-1,5-p2 synthase (26 Jun 1999) |
| ribose-5-phosphate | Ribose phosphorylated on carbon-5; an intermediate in the pentose phosphate pathway. (05 Mar 2000) |
| ribose-5-phosphate isomerase | <enzyme> An enzyme catalyzing interconversion of d-ribose 5-phosphate and d-ribulose 5-phosphate; of importance in ribose metabolism and in the pentose phosphate pathway. Synonym: phosphopentose isomerase, phosphoriboisomerase. (05 Mar 2000) |
| ribose-phosphate pyrophosphokinase | <enzyme> An enzyme that catalyses the formation of phosphoribosyl pyrophosphate from ATP and ribose-5-phosphate. Chemical name: ATP:ribose-5-phosphate pyrophosphotransferase Registry number: EC 2.7.6.1 (12 Dec 1998) |
| ribose polymerase | <enzyme> Enzyme that catalyses the attachment of ADP ribose units to various nuclear proteins. This post translational modification of proteins is dependent on DNA and appears to be involved in the regulation of various cellular processes such as differentiation, proliferation and transformation. (18 Nov 1997) |
| poly adenosine diphosphate ribose | <chemical> A polynucleotide formed from NAD in the presence of NAD+ nucleosidase. Chemical name: Adenosine 5'-(trihydrogen diphosphate), P'-5-ester with D-ribose, homopolymer (12 Dec 1998) |
| poly ADP-ribose glycohydrolase | <enzyme> Splits ribose-ribose bonds; glycohydrolase I has a higher molecular weight and is tightly bound to mammalian cell nuclei; glycohydrolase II has lower molecular weight and is found in cytosol Registry number: EC 3.2.1.- Synonym: (ADP-ribose)n glycohydrolase I, (ADP-ribose)n glycohydrolase II (26 Jun 1999) |
| D-ribose reductase | <enzyme> Ribose is converted to ribitol Registry number: EC 1.1.- (26 Jun 1999) |
| 5-aminoimidazole ribose 5'-phosphate | 5-amino-1-beta-d-ribofuranosylimidazole 5'-phosphate;an intermediate in the biosynthesis of purines. Synonym: 5-aminoimidazole ribotide. Acronym: AIR (05 Mar 2000) |
| L-ribose reductase | <enzyme> Nadph-linked E coli enzyme converts l-ribose to ribitol Registry number: EC 1.1.1.- (26 Jun 1999) |
| androgen-binding proteins | Carrier proteins produced in the sertoli cells of the testis, secreted into the seminiferous tubules, and transported via the efferent ducts to the epididymis. Participate in the transport of androgens; include also synthetic androgens binding proteins. (12 Dec 1998) |
| antigen-binding site | <immunology> In immune network theory, an idiotope, an antigenic site of an antibody that is responsible for that antibody binding to an antigenic determinant (epitope). Also used of the site on a ligand molecule to which a cell surface receptor binds. (18 Nov 1997) |