| 释义 |
DictionarySeeporphyrinporphin
porphin[′pȯr·fən] (biochemistry) A heterocyclic ring consisting of four pyrrole rings linked by methine (‒CH=) bridges; the basic structure of chlorophyll, hemoglobin, the cytochromes, and certain other related substances. porphin
porphin [por´fin] the fundamental ring structure of four linked pyrrole nuclei around which porphyrins, hemin, cytochromes, and chlorophyll are built.por·phin , porphine (pōr'fin), The unsubstituted cyclic tetrapyrrole nucleus that is the basis of the porphyrins.
See also: porphyrins. Compare: chlorin, phorbin, corrin. Synonym(s): porphyrin |