frog and rat lactate dehydrogenase ( ldh , l-lactate : nad+ oxidoreductase , ec 1.1.1.27 ) isozymes , highly purfied by affinity chromatography , were injected into newly fertilized from ( rana pipiens ) eggs to study the effect of the injected isozymes on the expression of the ldh genes of the developing frog embryo .
C0030016
oxidoreductase
C0022917
ldh