O-phospho-L-serine + thiosulfate = S-sulfo-L-cysteine + phosphate
o-phospho-l-serine + thiosulfate = s-sulfo-l-cysteine + phosphate
"S-sulfo-L-cysteine synthase (3-phospho-L-serine-dependent)"
"s-sulfo-l-cysteine synthase (3-phospho-l-serine-dependent)"