ID 1.8.4.1 DE glutathione--homocystine transhydrogenase. CA 2 glutathione + L,L-homocystine = glutathione disulfide + CA 2 L-homocysteine. CC -!- The reactions catalyzed by this enzyme and by others in this subclass CC may be similar to those catalyzed by EC 2.5.1.18. //