the relationship between the single and multiple induction of beta-galactosidase ( ec 3.2.1.23 ) , l-tryptophanase ( ec 4.1.99.1 ) , d-serine deaminase ( ec 4.2.1.14 ) , l-asparaginase ( ec 3.5.1.1 ) and l-malate dehydrogenase ( ec 1.1.1.37 ) was studied and the effect of camp level on the induction in escherichia coli crookes ( atcc 8739 ) was investigated .
C0024544
malate
C0030016
ec 1