| arabinocytidine | <drug> An antibiotic which acts by blocking DNA synthesis. Its structure is derived from the pyrimidine cytosine by replacing the simple sugar ribose with the simple sugar arabinose. (09 Oct 1997) |
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| arabinofuranosyladenine | An arabinoside that has antiviral activity. (05 Mar 2000) |
| arabinofuranosylcytosine | <drug> An antibiotic which acts by blocking DNA synthesis. Its structure is derived from the pyrimidine cytosine by replacing the simple sugar ribose with the simple sugar arabinose. (09 Oct 1997) |
| arabinofuranosylcytosine triphosphate | <chemical> A triphosphate nucleotide analog which is the biologically active form of cytarabine. It inhibits nuclear DNA synthesis. Pharmacological action: nucleic acid synthesis inhibitors. Chemical name: 2(1H)-Pyrimidinone, 4-amino-1-(5-O-(hydroxy((hydroxy(phosphonooxy)phosphinyl)oxy)phosphinyl)-beta-D-arabinofuranosyl)- (12 Dec 1998) |
| arabinofuranosyluracil | <chemical> 1-beta-d-arabinofuranosyluracil. A pyrimidine nucleoside formed in the body by the deamination of cytarabine. Chemical name: 2,4(1H,3H)-Pyrimidinedione, 1-beta-D-arabinofuranosyl- (12 Dec 1998) |
| arabinonucleosides | Nucleosides containing arabinose as their sugar moiety. (12 Dec 1998) |
| arabinonucleotides | Nucleotides containing arabinose as their sugar moiety. (12 Dec 1998) |
| arabinose | <biochemistry, chemical> A pentose monosaccharide that occurs in both D and L configurations. D arabinose is the 2 epimer of D ribose, i.e. Differs from D ribose by having the opposite configuration at carbon 2. D arabinose occurs inter alia in the polysaccharide arabinogalactan, a neutral pectin of the cell wall of plants and in the metabolites cytosine arabinoside and adenine arabinoside. (18 Nov 1997) |
| arabinose-5-phosphate isomerase | <enzyme> Catalyses reversibly the conversion of arabinose phosphate to ribulosephosphate Registry number: EC 5.3.1.13 Synonym: arabinose 5-phosphate ketolisomerase, arabinosephosphate isomerase (26 Jun 1999) |
| arabinoside | A ribonucleoside in which the sugar moeity is arabinose. It often has antibiotic activity. (05 Mar 2000) |
| arabinosis | Disordered metabolism of arabinose. (05 Mar 2000) |
| arabinosuria | Excretion of arabinose in the urine. (05 Mar 2000) |
| arabinosyl-hydroxyproline transferase | <enzyme> Involved in glycoprotein synthesis in plants Registry number: EC 2.4.2.- Synonym: ar-hpt, protein-arabinosyltransferase (26 Jun 1999) |
| arabinosyladenine | <drug> An antibiotic used to treat viral encephalitis. Its structure is derived from the purine adenosine by replacing the simple sugar ribose with the simple sugar arabinose. (09 Oct 1997) |
| arabinosylcytosine | <drug> An antibiotic which acts by blocking DNA synthesis. Its structure is derived from the pyrimidine cytosine by replacing the simple sugar ribose with the simple sugar arabinose. (09 Oct 1997) |