It has eight post-translational modification sites involving ubiquitination and four sites involving phosphorylation .
The FBXL3 protein contains an F - box domain , characterized by a 40 amino acid motif that mediates protein - protein interactions , and several tandem leucine - rich repeats used for substrate recognition .
FBXL3 has eight post-translational modification sites involving ubiquitination and four sites involving phosphorylation .
The FBXL3 protein contains an F - box domain , characterized by a 40 amino acid motif that mediates protein - protein interactions , and several tandem leucine - rich repeats used for substrate recognition .