An essential weapon in the body's fight against infection has come into sharper view. Researchers at Princeton University have discovered the 3-D structure of an enzyme that cuts to ribbons the genetic material of viruses and helps defend against bacteria.
Fuente : http://www.eurekalert.org/pub_releases/2014-02/pu-...
Fuente : http://www.eurekalert.org/pub_releases/2014-02/pu-...