One of the main soy proteins, present as ȕ-conglycinin, which is composed of Į, Dc and ȕ subunits. The 7S ȕ-conglycinin and 11S glycinin together account for approximately 70% of the storage proteins in soybeans. ȕ-Conglycinin One of the main soy proteins, composed of three subunits ( Į, Dc and ȕ). A 7S globulin which, along with glycinin, makes up approximately 70% of the storage proteins in soybeans.