label: [formate-C-acetyltransferase]-activating enzyme activity
label_lc: [formate-c-acetyltransferase]-activating enzyme activity
description: "Catalysis of the reaction: S-adenosyl-L-methionine + dihydroflavodoxin + [formate C-acetyltransferase]-glycine = 5'-deoxyadenosine + L-methionine + flavodoxin semiquinone + [formate C-acetyltransferase]-glycin-2-yl radical."