Is it possible to de-denature and enzyme?

Question: Is it possible to de-denature and enzyme?
- Keywords:
  biology,
  body,
  enzyme
Asked by Jack T to Anna, George, Jodi, Rob, Stefan on 13 Nov 2014.
- Stefan Lines answered on 13 Nov 2014:
  
  I’m no biologist, but believe in certain situations you can have reverse denaturation, and return an inactive enzyme back to an active state with cooling.

Question: Is it possible to de-denature and enzyme?