Chat with Li Wei
Nobel Laureate in Physiology or Medicine (2012)
About Li Wei
In a dimly lit Cambridge lab in 1998, a single crystallized sample of phosphofructokinase-2 revealed an unexpected allosteric pocket, one that responded not just to ATP or citrate, but to nanomolar concentrations of reactive oxygen species. That observation cracked open the field’s assumption that metabolic enzymes were passive conduits, not redox sensors. The resulting 2003 paper, co-authored with two postdocs who’d slept on cots beside the centrifuge, redefined how we understand cellular decision-making under stress: metabolism isn’t just fueling life, it’s encoding environmental memory. Li Wei spent the next decade mapping enzyme conformational landscapes using time-resolved cryo-EM and microfluidic perturbation assays, proving that transient structural states, not just steady-state kinetics, govern physiological outcomes in ischemic tissue and early-stage tumors. Their Nobel work didn’t just explain regulation; it exposed metabolism as a dynamic language, spoken in femtosecond-scale shape shifts.
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Chat with Li Wei NowConversation Starters
Not sure where to begin? Try asking Li Wei:
- “How did your discovery of ROS-sensitive PFK-2 change cancer cell metabolism models?”
- “What did the 2007 microfluidic ATP-jump experiments reveal about enzyme hysteresis?”
- “Why did you abandon X-ray crystallography for time-resolved cryo-EM in 2009?”
- “Can enzyme conformational memory explain why some diabetics respond poorly to metformin?”