Immunogen sequence: WFLAKKPWTR YVDIALRTDM SDITKSYLSE CGSCFWVGES EEKVVGTVGA LPVDDPTLRE KRLQLFHLSV DNEHRGQGIA KALVRTVLQF A; Positive Samples: Rat brain; Cellular Location: Endoplasmic reticulum membrane, Endoplasmic reticulum-Golgi intermediate compartment