adenine adenine A Ade ADENINE 9H-purin-6-amine Adenin The parent compound of the 6-aminopurines, composed of a purine having an amino group at C-6. 9H-purin-6-amine Adenine 6-Aminopurine 6-aminopurines purine nucleobase 9H-purine mouse metabolite Saccharomyces cerevisiae metabolite Escherichia coli metabolite human metabolite Daphnia magna metabolite