phosphoenolpyruvate + sulfite + H(+) => (2R)-O-phospho-3-sulfolactate
phosphoenolpyruvate + sulfite + h(+) => (2r)-o-phospho-3-sulfolactate
phosphoenolpyruvate + sulfite + H(+) => (2R)-O-phospho-3-sulfolactate
phosphoenolpyruvate + sulfite + h(+) => (2r)-o-phospho-3-sulfolactate