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Trivial Name:okadaic acid methyl ester
CAS Registry Number: 78111-14-5
Source Organism:Prorocentrum lima
Formula: C45H70O13
Exact Mass: 818.4808
Formula Weight: 819.1
Production Method: Semisynthetic derivative of natural product
Storage/Shipping Conditions: -20oC
Mode of action:
Okadaic acid is a polyether from the dinoflagellate Prorocentrum lima that is the causative agent of diarrhetic shellfish poisoning (DSP).1 Okadaic acid acts as a non-phorbol ester type tumor promoter2 and as an inhibitor of protein phosphatases PP1 and PP2A.3 Esters of Okadaic acid are inactive in vitro against protein phosphatases.4