SUMO-1 modification of Mdm2 prevents its self-ubiquitination and increases Mdm2 ability to ubiquitinate p53
Cell (2000) - Comment
pubmed: 10892746  issn: 0092-8674  doi: 10.1016/s0092-8674(00)80887-9 

Thomas Buschmann, Serge Y Fuchs, Chee-Gun Lee, Zhen-Qiang Pan, Ze'ev Ronai