Immunogen sequence: VKQPEKVAAT RQEIFQEQLA AVPEFRGLGP LFKSSPEPVA LTESETEYVI RCTKHTFTNH MVFQFDCTNT LNDQTLENVT VQMEPTE Highest antigen sequence identity to the following orthologs: Mouse - 95%, Rat - 95%. The coatomer is a cytosolic protein complex that bin