EC 1.8.4.4     
Accepted name: glutathione—cystine transhydrogenase
Reaction: 2 glutathione + cystine = glutathione disulfide + 2 cysteine
Other name(s): GSH-cystine transhydrogenase; NADPH-dependent GSH-cystine transhydrogenase
Systematic name: glutathione:cystine oxidoreductase
References:
1.  Nagai, S. and Black, S. A thiol-disulfide transhydrogenase from yeast. J. Biol. Chem. 243 (1968) 1942–1947. [PMID: 5646485]
[EC 1.8.4.4 created 1972]