Calyculin A

• Molecular Formula: C₅₀H₈₁N₄O₁₅P
• Molecular Weight: 1009.18
• IC₅₀ for PP1: 0.5 - 2 nM
  IC₅₀ for PP2A: 0.1 - 1 nM
• Source: Discodermia Calyx
• Chemical Structure:
  

Okadaic Acid

• Molecular Formula: C₄₄H₆₈O₁₃
• Molecular Weight: 805.2
• IC₅₀ for PP1: 10 - 60 nM
  IC₅₀ for PP2A: 0.1 - 1 nM
• Source: Halichondria Okadai (Kadota)
• Chemical Structure:
  

Okadaic Acid Ammonium Salt

• Molecular Formula: C₄₄H₆₇O₁₃NH₄
• Molecular Weight: 822.05
• IC₅₀ for PP1: 10 - 60 nM
  IC₅₀ for PP2A: 0.1 - 1 nM
• Source:
• Chemical Structure:
  

35 Methyl Okadaic Acid

• Molecular Formula: C₄₅H₇₀O₁₃
• Molecular Weight: 819.04
• IC₅₀ for PP1: 10 - 60 nM
  IC₅₀ for PP2A: 0.1 - 1 nM
• Source:
• Chemical Structure:
  

Cantharidic acid

• Molecular Formula: C₁₀H₁₄O₅
• Molecular Weight: 214.2
• IC₅₀ for PP1: 1.7 uM,
  IC₅₀ for PP2A: 160 nM (92 -95 % inhibition)
• Source:
• Chemical Structure:
  

Endothal

• Molecular Formula: C₈H₁₀O₅
• Molecular Weight: 186.2
• IC₅₀ for PP1: 1.7 uM
  IC₅₀ for PP2A: 160 nM (22 - 50 % inhibition)
• Source:
• Chemical Structure:
  

Tautomycin

• Molecular Formula: C₄₁H₆₆O₁₃
• Molecular Weight: 766.97
• IC₅₀ for PP1: 3 nM
  IC₅₀ for PP2A: 30 nM (100 % inhibition)
• Source: Streptomyces Verticillatus
• Chemical Structure:
  

Mycrocystin-LR

• Molecular Formula: C₄₉H₇₄N₁₀O₁₂
• Molecular Weight: 995.19
• IC₅₀ for PP1: 0.1 nM
  IC₅₀ for PP2A: 0.1 nM (100 % inhibition)
• Source: Microcystis aeruginosa
• Chemical Structure: