| imidazole | 1,3-Diazole; 1,3-diaza-2,4-cyclopentadiene;a five-membered heterocyclic compound occurring in l-histidine and other biologically important compounds. Imidazole alkaloids, alkaloids containing one or more imidazole moieties as part of its structure (e.g., pilocarpine). (05 Mar 2000) |
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| purine imidazole-ring cyclase | <enzyme> Recyclises ring-opened purine formamidopyrimidines in irradiated DNA, restoring the c-8 to n-9 band, does not require ATP Registry number: EC 6.3.3.- Synonym: purir cyclase (26 Jun 1999) |
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