(R)-lactate + sulfate + H(+) => (R)-2-O-sulfolactate + H2O
(r)-lactate + sulfate + h(+) => (r)-2-o-sulfolactate + h2o
(R)-lactate + sulfate + H(+) => (R)-2-O-sulfolactate + H2O
(r)-lactate + sulfate + h(+) => (r)-2-o-sulfolactate + h2o