SCF complex

Skp, Cullin, F-box containing complex (or SCF complex) is a multi-protein E3 ubiquitin ligase complex that catalyzes the ubiquitination of proteins destined for 26S proteasomal degradation. Along with the anaphase-promoting complex, SCF has important roles in the ubiquitination of proteins involved in the cell cycle. The SCF complex also marks various other cellular proteins for destruction.

SCF complex - Wikipedia Jump to content From Wikipedia, the free encyclopedia Type of protein (a) SCF contains three core subunits—the RING protein Rbx1, the cullin Cul1, and Skp1. Rbx1 binds the E2–ubiquitin conjugate. The target protein binds to an F-box protein that is bound to the enzyme core via interactions with the Skp1 subunit. After binding of a target protein to the F-box protein, the ubiquitin is transferred from E2 and attached via a peptide bond to a lysine side chain in the target protein. (b) A composite model structure for human SCF derived from X-ray structures of human Rbx1–C

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