The signal sequence receptor has a second subunit and is part of a translocation complex in the endoplasmic reticulum as probed by bifunctional reagents - Görlich, Dirk; Prehn, Siegfried; Hartmann, Enno; Herz, Joachim; Otto, Albrecht; Kraft, Regine; Wiedmann, Martin; Knespel, Siegne; Dobberstein, Bernhard; Rapoport, Tom A. (Schriften von Bernhard Dobberstein., 1990)