Hydroxymethylbilane Synthase [hydroxymethylbilansynthasa]

topical
11
Terms

hydroxymetylbilansyntáza
porfobilinogendeaminasa
porfobilinogendeamináza

 

Hydroxymethylbilane Synthetase
Porphobilinogen Ammonia-Lyase
Porphobilinogen Deaminase
Pre-uroporphyrinogen Synthetase
Preuroporphyrinogen Synthetase
Uroporphyrinogen I Synthase

Persistent link   https://www.medvik.cz/link/D011163
Definition

An enzyme that catalyzes the tetrapolymerization of the monopyrrole PORPHOBILINOGEN into the hydroxymethylbilane preuroporphyrinogen (UROPORPHYRINOGENS) in several discrete steps. It is the third enzyme in the 8-enzyme biosynthetic pathway of HEME. In humans, deficiency in this enzyme encoded by HMBS (or PBGD) gene results in a form of neurological porphyria (PORPHYRIA, ACUTE INTERMITTENT). This enzyme was formerly listed as EC 4.3.1.8

DUI
D011163 MeSH Browser
CUI
M0017332
CAS
Porphobilinogen ammonia-lyase (polymerizing)
Previous indexing
Ammonia-Lyases (1973-1974); Porphobilinogen (1973-1974)
History note
98(75)
Public note
98; see PORPHOBILINOGEN DEAMINASE 1991-97, see AMMONIA-LYASES 1975-90