glycine + H⁺ + N⁶-lipoyl-L-lysyl-[glycine-cleavage complex H protein] --> (R)-N⁶-(S⁸-aminomethyldihydrolipoyl)-L-lysyl-[glycine-cleavage complex H protein] + CO₂ (according to UniProt)

Glycine + H-protein-lipoyllysine = H-protein-S-aminomethyldihydrolipoyllysine + CO₂ (according to UniProt)