Saccharopine dehydrogenase (SDH), also named Saccharopine reductase, is an enzyme involved in the metabolism of the amino acid lysine.
Saccharopine dehydrogenase may also refer to:
Saccharopine dehydrogenase (NAD+, L-glutamate-forming) Saccharopine dehydrogenase (NAD+, L-lysine-forming) Saccharopine dehydrogenase (NADP+, L-glutamate-forming) Saccharopine dehydrogenase (NADP+, L-lysine-forming)