Peptide sequence: CPETSKKNIF EKSPLTEPNF ENKHGYGICH SDTNSSCCTE PEDTGAEIIH Sequence homology: Cow: 100%; Dog: 85%; Guinea Pig: 100%; Horse: 93%; Human: 100%; Mouse: 93%; Rabbit: 91%; Rat: 93%. MARCH8 (c-MIR) is a novel E3 ubiquitin ligase designated as the