ID 4.4.1.19 DE phosphosulfolactate synthase. AN (2R)-phospho-3-sulfolactate synthase. AN PSL synthase. CA (2R)-O-phospho-3-sulfolactate = H(+) + phosphoenolpyruvate + sulfite. CC -!- The enzyme from Methanococcus jannaschii catalyzes the Michael CC addition of sulfite to phosphoenolpyruvate. CC -!- It specifically requires phosphoenolpyruvate and its broad alkaline CC pH optimum suggests that it uses sulfite rather than hydrogensulfite. DR O06739, PSLS_BACSU ; Q57703, PSLS_METJA ; O27710, PSLS_METTH ; DR Q9AF21, PSLS_XANP2 ; //