Ionomycin is an ionophore and an antibiotic that binds calcium ions (Ca2+) in a ratio 1:1. It is produced by the bacterium Streptomyces conglobatus. It binds also other divalent cations like magnesium and cadmium, but binds Ca2+ preferably.
{{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 400118302 | ImageFile=Ionomycin (free acid).svg | ImageSize=300 | IUPACName=(4R,6S,8S,10Z,12R,14R,16E,18R,19R,20S,21S)-19,21-Dihydroxy-22-{(2S,2R,5S,5S)-5-[(1R)-1-hydroxyethyl]-2,5-dimethyloctahydro-2,2-bifuran-5-yl}-4,6,8,12,14,18,20-heptamethyl-11-oxido-9-oxodocosa-10,16-dienoic acid | OtherNames= |Section1= |Section2= |Section3= }} Ionomycin is an ionophore and an antibiotic that binds calcium ions (Ca2+) in a ratio 1:1. It is produced by the bacterium Streptomyces conglobatus. It binds also other divalent cations like magnesium and cadmium, but binds Ca2+ preferably.
It has 14 chiral centers. Its β-diketone and carboxylic acid group form a chelate with calcium.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).