Peptide sequence: MIKKFDKKDE ESGSGSNPFQ HLEKSAVLQE ARIFNETPIN PRRCLHILTK Sequence homology: Cow: 93%; Dog: 93%; Guinea Pig: 100%; Horse: 93%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%; Zebrafish: 100%. The coatomer is a cytosolic protein complex