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FBL3B is a 434 amino acid protein encoded by the human gene FBXL21. FBL3B contains one 40 amino acid F-box region, making it a member of the F-box family. FBL3B also contains three LRR (leucine-rich) repeats. F-box proteins are critical components of the SCF (Skp1-CUL-1-F-box protein) type E3 ubiquitin ligase complex and are involved in substrate recognition and recruitment for ubiquitination. F-box proteins are members of a large family that regulates cell cycle, immune response, signaling cascades and developmental programs by targeting proteins, such as cyclins, cyclin-dependent kinase inhibitors, IkB-a and b-catenin, for degradation by the proteasome after ubiquitination. FBL3B is a substrate-recognition component of the SCF complex that interacts with Skp1 p19 and CUL-1. FBL3B is also associated with expression and regulation of circadian and cryptochrome proteins.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: F-box and leucine-rich repeat protein 21; F-box and leucine-rich repeat protein 3 pseudogene; F-box and leucine-rich repeat protein 3B; F-box protein Fbl3b; F-box/LRR-repeat protein 21; F-box/LRR-repeat protein 3B
Gene Aliases: D630045D17Rik; Fbl21; FBL3B; Fbxl21; FBXL3B; FBXL3P; Psttm
UniProt ID: (Mouse) Q8BFZ4
Entrez Gene ID: (Human) 26223, (Mouse) 213311, (Rat) 306750
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