Cryptophycin 52

**Semantic type:** Amino Acid, Peptide, or Protein|Antibiotic|Pharmacologic Substance

**Definition:** A member of the cryptophycin family of antitumor agents that binds to microtubules, inducing growth arrest and apoptosis in solid tumors. (NCI)

**Synonyms:** - C-52 - CRYPTOPHYCIN-52 - Cyclo[2,2-dimethyl-.beta.-alanyl-(2S)-2-hydroxy-4-methylpentanoyl-(2E,5S,6S)-5-hydroxy-6-[(2R,3R)-3-phenyloxiranyl]-2-heptenoyl-3-chloro-O-methyl-D-tyrosyl] - Cyclo[2,2-dimethyl-beta-alanyl-(2S)-2-hydroxy-4-methylpentanoyl-(2E,5S,6S)-5-hydroxy-6-[(2R,3R)-3-phenyloxiranyl]-2-heptenoyl-3-chloro-O-methyl-D-tyrosyl] - LY 355703