Peptide sequence: YCPLLIKEGG MPLLRDIIKM ATARQETKEM ARKVIEHCSN FKEENMDTSR Sequence homology: Cow: 100%; Dog: 100%; Guinea Pig: 100%; Horse: 100%; Human: 100%; Mouse: 93%; Rabbit: 86%; Rat: 100%. ZER1 probably acts as target recruitment subunit in the E3 u