>6zxr_A mol:protein length:219 ER lumen protein-retaining receptor 2MNIFRLTGDLSHLAAIIILLLKIWKSRSCAGISGKSQLLFALVFTTRYLDLFTSFISLYNTSMKLIYIACSYATVYLIYMKFKATYDGNHDTFRVEFLIVPVGGLSFLVNHDFSPLEILWTFSIYLESVAILPQLFMISKTGEAETITTHYLFFLGLYRALYLVNWIWRYYFEGFFDLIAVVAGVVQTVLYCDFFYLYVTKVLKGKKLSLPAGENLYFQ