... Groisman R, Polanowska J, Kuraoka I, Sawada J, SaijoM, Drapkin R, Kisselev AF, Tanaka K & Nakatani Y(2003) The ubiquitin ligase activity in the DDB2 and CSA complexes is differentially regulated ... ligases.The rationale for generating a chimerical proteinconsisting of the N-terminal part of CSN2 and thePCI domain of its paralog lid subunit, Rpn6, was totest, whether the PCI domain has ... expressing Flag-CSN2 were testedby western blotting using antibodies against Flag, p53, c-Jun, p27 and IjBa. The anti-actin Ig was used as an internal control demon-strating equal loading of proteins.COP9...