释义 |
porphobilinogen synthase
por·pho·bi·lin·o·gen syn·thasea liver enzyme catalyzing the formation of porphobilinogen and water from two molecules of δ-aminolevulinate, an important reaction in porphyrin biosynthesis; inhibited by lead in cases of lead poisoning; a deficiency of this enzyme results in elevated levels of δ-aminolevulinate and results in neurologic disturbances. Synonym(s): δ-aminolevulinate dehydratase |