The unsubstituted cyclic tetrapyrrole nucleus that is the basis of the porphyrins.

See: porphyrins.

Compare: chlorin, phorbin, corrin.

Synonyms: porphyrin.

(05 Mar 2000)

porotic, porous, porous disk, porphin < Prev | Next > porphobilin, porphobilinogen, porphobilinogenase

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