1121 Angew. Chem. Int. Ed. 2005, 44, 1121–1125 DOI: 10.1002/anie. 200462076 2005 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim actinorhodin (ACT, 1). S. coelicolor is generally regarded as the best genetically characterized of all the streptomycete bacteria. Recently its complete genomic sequence was published.[1] Over the years a clear picture has emerged for the biosynthesis of the skeleton of 1.[2] It is generally accepted that 2 (or ...