label: reduced 2[4Fe-4S]-[ferredoxin] + formaldehyde + glycine + 2 H(+) => oxidized 2[4Fe-4S]-[ferredoxin] + sarcosine + H2O
label_lc: reduced 2[4fe-4s]-[ferredoxin] + formaldehyde + glycine + 2 h(+) => oxidized 2[4fe-4s]-[ferredoxin] + sarcosine + h2o