label: cob(I)alamin-[alkylcobalamin reductase] + an S-substituted glutathione + H(+) => apo-[alkylcobalamin reductase] + an R-cob(III)alamin + glutathione
label_lc: cob(i)alamin-[alkylcobalamin reductase] + an s-substituted glutathione + h(+) => apo-[alkylcobalamin reductase] + an r-cob(iii)alamin + glutathione