Immunogen sequence: KSLSKSTSQN SSVLHEEEDE HSCSESETQL SQRPSVQHLG EECGVTPESE NLTLSSSGAI DQSSCTGTPL SSTISSP Highest antigen sequence identity to the following orthologs: Mouse - 87%, Rat - 86%. E3 ubiquitin ligase that ubiquitinates APBB1 for its degradatio