Protein Information

Name ALAS2
Synonyms 5 aminoevulinate synthase 2; ASB; Delta ALA synthetase; Delta aminolevulinate synthase; 5 aminolevulinate synthase 2; 5 aminolevulinic acid synthase; 5 aminolevulinic acid synthase erythroid specific mitochondrial; ALAS erythroid…

Compound Information

Name sulfur
CAS sulfur

Reference List

PubMed Abstract RScore(About this table)
19786205 Camaschella C: Hereditary sideroblastic anemias: pathophysiology, diagnosis, and treatment. Semin Hematol. 2009 Oct;46(4):371-7.

The most common X-linked sideroblastic anemia (XLSA), due to mutations of the first enzyme of the heme synthetic pathway, delta-aminolevulinic acid synthase 2 (ALAS2), has linked heme deficiency to mitochondrial iron accumulation.
The identification of other genes, such as adenosine triphosphate (ATP) binding cassette B7 (ABCB7) and glutaredoxin 5 (GLRX5), has strengthened the role of iron sulfur cluster biogenesis in sideroblast formation and revealed a complex interplay between pathways of mitochondrial iron utilization and cytosolic iron sensing by the iron-regulatory proteins (IRPs).
1(0,0,0,1) Details
19907149 Sheftel AD, Richardson DR, Prchal J, Ponka P: Mitochondrial iron metabolism and sideroblastic anemia. . Acta Haematol. 2009;122(2-3):120-33. Epub 2009 Nov 10.

Ring sideroblasts can develop as a result of a heme synthesis defect in erythroblasts (ALAS2 mutations), a defect in iron-sulfur cluster assembly, iron-sulfur protein precursor release from mitochondria (ABCB7 mutations), or by a defect in intracellular iron metabolism in erythroid cells (e.g.
32(0,1,1,2) Details