ALA synthase
Enzyme responsible for the synthesis of 5-aminolevulinic acid. Defects in the enzyme cause microcytic anaemia because activity is essential for haem formation.

Dictionary of molecular biology. 2004.

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  • Aminolevulinic acid synthase — protein Name = aminolevulinate, delta , synthase 1 caption = width = HGNCid = 396 Symbol = ALAS1 AltSymbols = ALAS3, ALAS EntrezGene = 211 OMIM = 125290 RefSeq = NM 000688 UniProt = P13196 PDB = ECnumber = 2.3.1.37 Chromosome = 3 Arm = p Band =… …   Wikipedia

  • Porphobilinogen synthase — Identifiers EC number 4.2.1.24 CAS number 9036 37 7 …   Wikipedia

  • Porphobilinogen-Synthase — Δ Aminolävulinsäure Dehydratase Vorhandene Strukturdaten: 1E51 …   Deutsch Wikipedia

  • Porphyrie — Classification internationale des maladies CIM 10 : E80.0 → E80.2 La porphyrie est une affection caractérisée par la présence, dans l organisme, de quantités massives de porphyrines, molécules précurseurs de l hème (partie non protéique de l… …   Wikipédia en Français

  • Porphyria — This article is about the medical condition. For other uses, see Porphyry (disambiguation). Porphyria Classification and external resources ICD 10 E80.0 E80.2 …   Wikipedia

  • Derepression — In genetics and biochemistry, a repressor gene inhibits the activity of an operator gene. By inactivating the repressor, the operator gene becomes active again. This effect is called derepression. Derepression of ALA synthase One example is the… …   Wikipedia

  • Heme — A heme (American English) or haem (British English) is a prosthetic group that consists of an iron atom contained in the center of a large heterocyclic organic ring called a porphyrin . Not all porphyrins contain iron, but a substantial fraction… …   Wikipedia

  • Aminolevulinic acid — δ Aminolevulinic acid Systematic (IUPAC) name 5 amino 4 oxo pentanoic acid Clinical data Pregnancy cat.  ? …   Wikipedia

  • Porphyrin — Structure of porphine, the simplest porphyrin Heme group of hemoglobin. An …   Wikipedia

  • Noyau porphine — Porphyrine Les porphyrines sont des molécules à structures cycliques impliquées dans le transport de l’oxygène et pouvant jouer le rôle de cofacteur lié (groupement prosthétique) de certaines enzymes. Elles entrent dans la composition de… …   Wikipédia en Français

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