a comparison of the structure of class ii human liver alcohol dehydrogenase ( alcohol : nad+ oxidoreductase , ec 1.1.1.1 ) ( containing pi subunits ) with those of the human class i isozymes ( containing alpha , beta , and gamma subunits ) reveals differences at about 40 % of all positions .
C0001942
alcohol dehydrogenase
C0030016
ec 1