porphin /por·phin/ (por´fin) the fundamental ring structure of four linked pyrrole nuclei around which porphyrins, hemin, cytochromes, and chlorophyll are built.
por·phin (pôr f n) or por·phine (-f n )n. The unsubstituted heterocyclic ring consisting of four pyrrole rings; it is the basic unit of the porphyrins. |
porphin
the fundamental ring structure of four linked pyrrole nuclei around which porphyrins, hemin, cytochromes and chlorophyll are built.
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