for his work on ribonucleaseandfor their contribution to the understanding of the connection between chemical structure and catalytic activity of the ribonuclease molecule
for their elucidation of the enzymatic mechanism underlying the synthesis of adenosine triphosphateandfor his discovery of an ion-transporting enzyme, Na+, K+ -ATPase
... 1521, promising him safe conduct if he would appear. He outlawed Luther and his followers in that same year but was tied up with other concerns and unable to try to stamp ...