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pyruvate formate-lyase 1-activating enzyme An iron-sulfur protein with a radical-SAM domain (pfam04055). A single glycine residue in EC 2.3.1.54, formate C-acetyltransferase (formate-pyruvate lyase), is oxidized to the corresponding radical by transfer of H from its CH2 to AdoMet with concomitant cleavage of the latter. The reaction requires Fe2+. The first stage is reduction of the AdoMet to give methionine and the 5'-deoxyadenosin-5-yl radical, which then abstracts a hydrogen radical from the glycine residue. [Energy metabolism, Anaerobic, Protein fate, Protein modification and repair] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",