porphobilin

por·pho·bi·lin

(pōr'fō-bī'lin),
General term denoting intermediates between the monopyrrole, porphobilinogen, and the cyclic tetrapyrrole of heme (a porphin derivative).
See also: bilin.

por·pho·bi·lin

(pōr'fō-bī'lin)
General term denoting intermediates between the monopyrrole, porphobilinogen, and the cyclic tetrapyrrole of heme (a porphin derivative).
References in periodicals archive ?
The increased urine porphyrin was predominantly uroporphyrin arising from nonenzymatic condensation of micromolar concentrations of PBG to produce a relatively higher concentration of uroporphyrin along with the brown-red pigment porphobilin (1,11).