| adenosine diphosphate glucose | <chemical> Serves as the glycosyl donor for formation of bacterial glycogen, amylose in green algae, and amylopectin in higher plants. Chemical name: Adenosine 5'-(trihydrogen diphosphate), P'-alpha-D-glucopyranosyl ester (12 Dec 1998) |
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| adenosine diphosphate ribose | <chemical> Adenosine 5'-(trihydrogen diphosphate),5'-5-ester with d-ribose. An ester formed between the aldehydic carbon of ribose and the terminal phosphate of adenosine diphosphate. Serves as a ribose carrier. Chemical name: Adenosine 5'-(trihydrogen diphosphate), P'-5-ester with D-ribose (12 Dec 1998) |
| 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) |
| adenosine diphosphate sugars | Esters formed between the aldehydic carbon of sugars and the terminal phosphate of adenosine diphosphate. (12 Dec 1998) |
| adenosine diphosphoglucose glucohydrolase | <enzyme> Splits adpglucose to ADP and glucose Registry number: EC 3.1.4.- (26 Jun 1999) |
| adenosine kinase | <enzyme> An enzyme that catalyses the formation of ADP plus AMP from adenosine plus ATP. It can serve as a salvage mechanism for returning adenosine to nucleic acids. Chemical name: ATP:adenosine 5'-phosphotransferase Registry number: EC 2.7.1.20 (12 Dec 1998) |
| adenosine monophosphate | <chemical> Adenylic acid. Adenine nucleotide containing one phosphate group esterified to the sugar moiety in the 2'-, 3'-, or 5'-position. Chemical name: 5'-Adenylic acid (12 Dec 1998) |
| adenosine nucleosidase | <enzyme> An enzyme hydrolyzing adenosine to adenine and d-ribose. Synonym: adenosinase. (05 Mar 2000) |
| adenosine phosphosulfate | <chemical> 5'-adenylic acid, monoanhydride with sulfuric acid. The initial compound formed by the action of ATP sulfurylase on sulfate ions after sulfate uptake. Synonym: adenosine sulfatophosphate; aps. Chemical name: 5'-Adenylic acid, monoanhydride with sulfuric acid (12 Dec 1998) |
| adenosine tetraphosphatase | <enzyme> Catalyses hydrolysis of nucleoside 5'-tetraphosphate to yield nucleoside triphosphate and orthophosphate; isolated from seeds of yellow lupin lupinus luteus Registry number: EC 3.6.1.14 Synonym: p4a phosphohydrolase, adenosine 5'-tetraphosphate phosphohydrolase, nucleoside 5'-tetraphosphate phosphohydrolase (26 Jun 1999) |
| adenosine tetraphosphate | A condensation product of adenosine with tetraphosphoric acid at the 5' position. (05 Mar 2000) |
| adenosine triphosphatase | <enzyme> A group of enzymes which catalyze the hydrolysis of ATP coupled with another function such as transporting calcium across a membrane. These enzymes may be dependent on calcium, magnesium, anions, h+, or DNA. Chemical name: ATP phosphohydrolase Registry number: EC 3.6.1.3 (12 Dec 1998) |
| adenosine triphosphate | <biochemistry> A nucleotide present in all living cells which serves as an energy source for many metabolic processes and is required for ribonucleic acid synthesis. (06 May 1997) |
| rRNA (adenosine-O-2'-)methyltransferase | <enzyme> Forms 2'-o-methyladenosine; ermd protein methylates a specific residue on 23s rrna to confer macrolide-lincosamide-streptogramin b resistance; emre specifically modifies 23s rrna by n6,n6-dimethylation of a2058; has been sequenced; genbank x82668 (emrc) Registry number: EC 2.1.1.66 Synonym: rrna(adenine-2-)methyltransferase, ribosomal RNA methylase, rrna methylase, ermd gene product, ermc' gene product, 23s ribosomal RNA a1067 2'-methyltransferase, 23s rrna methylase, ermsf methyltransferase, tlra methyltransferase, thiostrepton-resistance methylase, thiostrepton-resistance-encoding gene product, tsnr gene product, erme methyltransferase, 23s ribosomal RNA a2058 methyltransferase, ermc methyltransferase, ermam methyltransferase (26 Jun 1999) |
| 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) |