| 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) |
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| 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) |
| arabinosyltransferase | <enzyme> Emba and embb isolated from mycobacterium avium; polymerises arabinose into the arabinan of arabinogalactan; genbank u66560 Registry number: EC 2.4.2.- Synonym: emba gene product, embb gene product, arabinan arabinosyl transferase, alpha-1-3-arabinosyltransferase (26 Jun 1999) |
| arabinoxylan | Polysaccharide with a backbone of xylose (_ 1,4 linked) with side chains of arabinose (_ 1,3 linked): constituent of hemicellulose of angiosperm cell wall. (18 Nov 1997) |