Immunogen sequence: EEEDGSPTQE GQRTCAFLGM ECDNNNDFDI ASVKALDNKL CSEVCLPGAW QADDNAVSRN AQ Highest antigen sequence identity to the following orthologs: Mouse - 78%, Rat - 78%. E3 ubiquitin ligase that ubiquitinates APBB1 for its degradation by the proteas