Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/2HFJ
TYPE I POLYKETIDE SYNTHASE PIKAIVDimethyl SulfoxideMagnesium IonSulfate Ion[(3r,4s,5s,7r)-4,8-Dihydroxy-3,5,7-Trimethyl-2-Oxooctyl]phosphonic Acid
affinity labelpikromycinthioesterasecovalentpentaketide