Definition: Cyclic heptapeptides found in MICROCYSTIS and other CYANOBACTERIA. Hepatotoxic and carcinogenic effects have been noted. They are sometimes called cyanotoxins, which should not be confused with chemicals containing a cyano group (CN) which are toxic.
cyanoginosin LR [ MCYST-LR,cyclo(Ala-Leu-MAsp-Arg-Adda-isoGlu-Mdha),cyclo(alanyl-leucyl-beta-methylaspartyl-arginyl-(3-amino-9-methoxy-2,6,8-trimethyl-10-phenyldeca-4,6-dienoic acid)-isoglutamyl-N-methyldehydroalanyl),microcystin LR,microcystin-LR,toxin I, cyanobacterium ] cyclic heptapeptide from cyanobacterium Microcystis aeruginosa