Host Species; Species ReactivityRabbit; Human, Mouse
Purification; FormulationProtein affinity purified; 1*TBS (pH7.4), 0.5%BSA, 50%Glycerol. Preservative: 0.05% Sodium Azide.; Liquid form.
ALTnamesE3 ubiquitin-protein ligase RBX1, E3 ubiquitin-protein transferase RBX1, Protein ZYP, RING finger protein 75, RING-box protein 1, Regulator of cullins 1, E3 ubiquitin-protein ligase RBX1, N-terminally processed, E3 ubiquitin-protein transferase RBX1, N-terminally processed
BackgroundRbx1 (also designated ROC1 and Hrt1) and the closely related protein Rbx2 (also designated ROC2) are RING finger containing homologs of the yeast protein APC11, a member of the anaphase-promoting complex (APC). Rbx1 was shown to be a component of the von Hippel-Lindau (VHL) transcription elongation complex, which includes VHL, Elongin B, Elongin C and Cullin-2. Rbx1 interacts with Cullin-1 in the SCF (Skp1-Cdc53-F-box protein) ubiquitin ligase complex (2-4). Rbx1 functions as a common subunit of SCF complexes required for ubiquination of various proteins including yeast G1 cyclins, IkBa and b-catenin (2-4). Rbx1 was shown to enhance the ubiquitin ligase activity of the VHL/Cullin-2 complex, and of the SCF/Cullin-1 complex.(ER1802-9)