ALAS1
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Delta-aminolevulinate synthase 1 also known as ALAS1 is a protein that in humans is encoded by the ALAS1 gene.[1][2] ALAS1 is an aminolevulinic acid synthase.
Delta-aminolevulinate synthase catalyzes the condensation of glycine with succinyl-CoA to form delta-aminolevulinic acid. This nuclear-encoded mitochondrial enzyme is the first and rate-limiting enzyme in the mammalian heme biosynthetic pathway. There are 2 tissue-specific isozymes: a housekeeping enzyme encoded by the ALAS1 gene and an erythroid tissue-specific enzyme encoded by ALAS2.[2]
Mice lacking this gene exhibit embryonic lethality, indicating that ALAS is essential for early embryogenesis.[3]
References
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External links
[edit | edit source]- Human ALAS1 genome location and ALAS1 gene details page in the UCSC Genome Browser.
Further reading
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This article incorporates text from the United States National Library of Medicine, which is in the public domain.
