Tags: Enzyme.
Valine dehydrogenase (NAD+) (EC 1.4.1.23) is an enzyme with system name L-valine:NAD+ oxidoreductase (deaminating). This enzyme catalyses the following chemical reaction L-valine + H2O + NAD+ 3-methyl-2-oxobutanoate + NH3 + NADH + H+The enzyme from Streptomyces spp. has no activity with NADP+.