levels of erythrocyte delta-aminolevulinate dehydratase [ ala-dehydratase ; porphobilinogen synthase ; 5-aminolevulinate hydro-lyase ( adding 5-aminolevulinate and cyclizing ) , ec 4.2.1.24 ] , uroporphyrinogen-i synthase [ uro-synthase ; porphobilinogen ammonia-lyase ( polymerizing ) , ec 4.3 ; 1.8 ] , and protoporphyrin ix ( proto ) were measured by sensitive semimicroassays using 2-5 mul of whole blood obtained from normal and anemic mutant mice .
C0020239
dehydratase
C0002564
5-aminolevulinate hydro-lyase