Medina and Shan became excited, however, by the reason for that toxicity: T67 binds to tubulin, a known target for cancer drugs.

FORBES: Magazine Article

Among the chemotherapy medicines that bind to tubulin are Taxol, the drug that built Bristol-Myers Squibb (nyse: BMY - news - people ) as an oncology company, and Taxotere, the current lynchpin in Aventis ' (nyse: AVE - news - people ) anti-cancer stable.

FORBES: Investors Applaud Tularik's Baby Step