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| Description: Rifampicin is an inhibitor of bacterial transcription initiation. a-amanitin is an inhibitor of eukaryotic RNA polymerases. Cordycepin is a transcription terminator because the 3’ position on the sugar is occupied by H, rather than a hydroxyl group. The tricyclic ring system of actinomycin intercalates between adjacent G-C base pairs in DNA; the R groups of the molecule are cyclic polypeptides and fill in the narrow grooves of the helix. Picture Stats: Views: 236 Filesize: 28.27kB Height: 228 Width: 303 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35030 |