| 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) |
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| 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) |
| dsRNA adenosine deaminase | <enzyme> Catalyses the hydrolytic deamination of adenosine to form inosines; activity simulates double-stranded RNA unwinding; double-stranded RNA is preferred substrate Registry number: EC 3.5.4.- Synonym: double-stranded RNA-specific adenosine deaminase, dsrna-specific adenosine deaminase, red1 (enzyme), red2 (enzyme), adarb2 (26 Jun 1999) |
| 7-(adenosine-5-pyrophosphoryl)-D-sedoheptulose synthase | <enzyme> Transketolase-like enzyme; adpribose and fructose-6-phosphate yields 7-(adenosine-5'-pyrophosphoryl)-d-sedoheptulose Registry number: EC 2.2.- (26 Jun 1999) |
| 8-bromo cyclic adenosine monophosphate | <chemical> 8-bromoadenosine cyclic 3',5'-(hydrogen phosphate). A long-acting derivative of cyclic AMP. It is an activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. Chemical name: Adenosine, 8-bromo-, cyclic 3',5'-(hydrogen phosphate) (12 Dec 1998) |
| acetate kinase | <enzyme> An enzyme that catalyses reversibly the phosphorylation of acetate in the presence of a divalent cation and ATP with the formation of acetylphosphate and ADP. It is important in the glycolysis process. Chemical name: ATP:acetate phosphotransferase Registry number: EC 2.7.2.1 (12 Dec 1998) |
| actin kinase | <enzyme> Phosphorylates actin at threonine-201 and probably at thr(202) and/or thr(203) Registry number: EC 2.7.1.- Synonym: actin-fragmin kinase (26 Jun 1999) |
| adenylate kinase | <enzyme> An enzyme that catalyses the phosphorylation of AMP to ADP in the presence of ATP or inorganic triphosphate. Chemical name: ATP:AMP phosphotransferase Registry number: EC 2.7.4.3 (12 Dec 1998) |
| adenylic acid kinase | <enzyme> An enzyme that catalyses the phosphorylation of AMP to ADP in the presence of ATP or inorganic triphosphate. Chemical name: ATP:AMP phosphotransferase Registry number: EC 2.7.4.3 (12 Dec 1998) |
| adenylylsulfate kinase | adenosine 5'-phosphosulfate kinase |
| adhesion-related kinase | <chemical> New member of the immunoglobulin superfamily with 2 immunoglobulin-like domains Synonym: ark protein, ark receptor tyrosine kinase (26 Jun 1999) |