saccharopine dehydrogenase (NAD+, L-lysine-forming);
lysine-2-oxoglutarate reductase;
dehydrogenase, saccharopine (nicotinamide adenine dinucleotide, lysine forming);
epsilon-N-(L-glutaryl-2)-L-lysine:NAD oxidoreductase (L-lysine forming);
N6-(glutar-2-yl)-L-lysine:NAD oxidoreductase (L-lysine-forming);
6-N-(L-1,3-dicarboxypropyl)-L-lysine:NAD+ oxidoreductase (L-lysine-forming)