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  • Title: Mouse mammary carcinoma delta-aminolevulinate dehydratase.
    Author: Navone NM, Polo CF, Frisardi AL, Batlle AM.
    Journal: Comp Biochem Physiol B; 1990; 96(4):729-31. PubMed ID: 2225774.
    Abstract:
    1. Aminolevulinate dehydratase (ALA-D) was studied in crude extract from mouse mammary carcinoma, normal mouse liver and tumour bearing mouse liver. 2. A Michaelis-Menten behaviour and Km values between 0.24 and 0.31 mM were obtained for the enzyme in either source. 3. In all three tissues there was a linear relationship between porphobilinogen formation and incubation time, up to 120 min, ALA-D was thermostable and optimum pH was at 6.8. 4. There seems to be no structural alterations in tumoural ALA-D as compared with the enzyme from liver of both normal and tumour bearing mice.
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