Order of assembly of the four pyrrole rings during biosynthesis of the natural porphyrins
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 539-541
- https://doi.org/10.1039/c39790000539
Abstract
13 C-Labelling experiments involving relatively large quantities of deaminase-cosynthetase show that the four pyrrole rings of uro'gen-III (5), and thus also of the natural porphyrins, are assembled starting from ring A with sequential addition of rings B, C, and finally ring D; ring D is that which undergoes rearrangement.Keywords
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