label: betaine aldehyde hydrate + 2 oxidized [2Fe-2S]-[ferredoxin] + H2O => choline + 2 reduced [2Fe-2S]-[ferredoxin] + O2 + 2 H(+)
label_lc: betaine aldehyde hydrate + 2 oxidized [2fe-2s]-[ferredoxin] + h2o => choline + 2 reduced [2fe-2s]-[ferredoxin] + o2 + 2 h(+)