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Figure 1
The biosynthesis of uroporphyrinogen III from 5-aminolevulinic acid. The enzymes involved are (a) 5-aminolaevulinic acid dehydratase, (b) hydroxymethylbilane synthase (HMBS) and (c) uroporphyrinogen III synthase. A = CH2COO−; P = CH2CH2COO−. Reproduced from Hädener et al. (1999 ![]() |
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