Fbw7/Cdc4 is a member of the F box protein family which are characterized by an approximately 40 amino acid motif, the F box. The F box proteins constitute one of the four subunits of ubiquitin protein ligase complex called SCFs (SKP1-cullin-F box), which function in phosphorylation-dependent ubiquitination. The F box proteins are divided into 3 classes: Fbws containing WD40 domains, Fbls containing leucine rich repeats, and Fbxs containing either different protein-protein interaction modules or no recognizable motifs. Fbw7 belongs to the Fbws class; in addition to an F box, this protein contains 7 tandem WD40 repeats. It binds directly to cyclin E and probably targets cyclin E for ubiquitin mediated degradation. Mutations of this gene are detected in ovarian and breast cancer cell lines. Alternative splicing of this gene generates 2 transcript variants diverging at the 5' termini.
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Protein Aliases: AGO; archipelago; Archipelago homolog; CDC4; Drosophila); F-box and WD repeat domain containing 7, E3 ubiquitin protein ligase; F-box and WD-40 domain protein 7 (archipelago homolog; F-box and WD-40 domain protein 7 (archipelago homolog, Drosophila); F-box and WD-40 domain protein 7, archipelago homolog; F-box and WD-40 domain-containing protein 7; f-box only protein 30; F-box protein FBW7; F-box protein FBX30; F-box protein Fbxw6; F-box protein SEL-10; F-box-WD40 repeat protein 6; F-box/WD repeat-containing protein 7; FBW6; FBW7; FBX30; FBXO30; FBXW6; hAgo; hCdc4; homolog of C elegans sel-10; SEL-10; SEL10
Gene Aliases: 1110001A17Rik; AGO; CDC4; FBW6; FBW7; Fbwd6; FBX30; FBXO30; FBXW6; FBXW7; hAgo; hCdc4; SEL-10; SEL10