Previous Article Next Article Table of Contents Science, Vol.284, No.5414, 601-603, 1999 DOI10.1126/science.284.5414.601 Export Citation Biochemistry - One ring to rule a superfamily of E3 ubiquitin ligases Tyers M, Willems AR Keywords:F-BOX;PROTEOLYSIS;COMPLEX;SCF Please enable JavaScript to view the comments powered by Disqus.