label: an aliphatic sulfonate + 4 oxidized [4Fe-4S]-[ferredoxin] + 2 H2O => 4 reduced [4Fe-4S]-[ferredoxin] + a carboxylate + sulfite + 6 H(+)
label_lc: an aliphatic sulfonate + 4 oxidized [4fe-4s]-[ferredoxin] + 2 h2o => 4 reduced [4fe-4s]-[ferredoxin] + a carboxylate + sulfite + 6 h(+)