Toyocamycin

**Definition:** 4-Amino-5-cyano-7-(D-ribofuranosyl)-7H- pyrrolo(2,3-d)pyrimidine. Antibiotic antimetabolite isolated from Streptomyces toyocaensis cultures. It is an analog of adenosine, blocks RNA synthesis and ribosome function, and is used mainly as a tool in biochemistry.

**Tree numbers:** - D13.570.800.840

**Synonyms:** - Deazacyanoadenosine - Toyokamycin