The Nobel Prize in Physiology or Medicine 1999

The Nobel Assembly at Karolinska Institutet in Stockholm, Sweden, has awarded the Nobel Prize in Physiology or Medicine for 1999 to Günter Blobel, for the discovery that "proteins have intrinsic signals that govern their transport and localization in the cell."

Günter Blobel, born in 1936, works at the Laboratory of Cell Biology, The Rockefeller University, New York

All living organisms are made up of cells. The eukaryotic cell contains a number of different types of organelles each of which is surrounded by a tightly sealed membrane.