O-acetyl-L-serine + thiosulfate <=> S-sulfo-L-cysteine + acetate + H(+)
o-acetyl-l-serine + thiosulfate <=> s-sulfo-l-cysteine + acetate + h(+)
O-acetyl-L-serine + thiosulfate <=> S-sulfo-L-cysteine + acetate + H(+)
o-acetyl-l-serine + thiosulfate <=> s-sulfo-l-cysteine + acetate + h(+)