Phosphorylation-dependent ubiquitination of cyclin E by the SCFFbw7 ubiquitin ligase
Science (2001) - Comment
pubmed: 11533444  doi: 10.1126/science.1065203  issn: 0036-8075 

D M Koepp, L K Schaefer, X Ye, K Keyomarsi, C Chu, J W Harper, S J Elledge