Erythroid 5-aminolevulinate synthase is located on the X chromosome.

Cox, T C; Bawden, M J; Abraham, N G; Bottomley, S S; May, B K; Baker, E; Chen, L Z; Sutherland, G R · Am J Hum Genet · 1990

basic_science · Level V

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Abstract

The gene for erythroid 5-aminolevulinate synthase has been mapped to Xpter-Xq26 by Southern blot hybridization analysis of a mouse/human hybrid cell panel. In situ hybridization maps the gene to Xp21-Xq21, with the most likely location being on band Xp11.2. The mapping of the erythroid 5-amino-levulinate synthase gene to the X chromosome suggests that a defect in this gene may be the primary cause of X-linked sideroblastic anemia.

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