preferred_name: [Glu(-Cys)](n+1)-Gly + glycine => [Glu(-Cys)](n)-Gly + glutathione + H(+)
preferred_name_lc: [glu(-cys)](n+1)-gly + glycine => [glu(-cys)](n)-gly + glutathione + h(+)
label: [Glu(-Cys)](n+1)-Gly + glycine => [Glu(-Cys)](n)-Gly + glutathione + H(+)
label_lc: [glu(-cys)](n+1)-gly + glycine => [glu(-cys)](n)-gly + glutathione + h(+)