PP2A inhibitor

Isolated from Microcystis aeruginosa.

Microcystin-RR is the Arg-Arg analog of microcystin-LR (Prod. No. ALX-350-431). Hepatotoxic, although found to be up to 10-fold less toxic than microcystin-LR on i.p. injection in mice. Potent inhibitor of protein phosphatase 2A (PP2A). This product can be used as an analytical standard for water testing or for molecular studies when high purity is required.