H2 + 2 oxidized [2Fe-2S]-[ferredoxin] => 2 reduced [2Fe-2S]-[ferredoxin] + 2 H(+)
h2 + 2 oxidized [2fe-2s]-[ferredoxin] => 2 reduced [2fe-2s]-[ferredoxin] + 2 h(+)
H2 + 2 oxidized [2Fe-2S]-[ferredoxin] => 2 reduced [2Fe-2S]-[ferredoxin] + 2 H(+)
h2 + 2 oxidized [2fe-2s]-[ferredoxin] => 2 reduced [2fe-2s]-[ferredoxin] + 2 h(+)