tokens: In budding yeast , the protein Skp1p , the cullin family member Cdc53p , and the F-box / WD-repeat protein Cdc4p form the SCFCdc4p ubiquitin ligase complex , which targets the cyclin dependent kinase ( Cdk ) inhibitor Sic1p for proteolysis [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] [ 8 ] .
folded_tokens: in bud yeast , the protein skp1p , the cullin family member cdc53p , and the f-box / wd-repeat protein cdc4p form the scfcdc4p ubiquitin ligase complex , which target the cyclin dependent kinase ( cdk ) inhibitor sic1p for proteolysis [ 3 ] [ 4 ] [ 5 ] [ 6 ] [ 7 ] [ 8 ] .