L-Sorbose 1-dehydrogenase (EC 1.1.99.32, SDH) is an enzyme with systematic name L-sorbose:acceptor 1-oxidoreductase.
[1] This enzyme catalyses the following chemical reaction The product, L-sorbosone, is an intermediate in bacterial 2-keto-L-gulonic-acid formation.
Co2+ stimulate activity of this membrane-bound enzyme, while Cu2+ act as an inhibitor.