The product of this gene specifies an erythroid-specific mitochondrially located enzyme. The encoded protein catalyzes the first step in the heme biosynthetic pathway. Defects in this gene cause X-linked pyridoxine-responsive sideroblastic anemia. Alternatively spliced transcript variants encoding different isoforms have been identified.[7]
Its gene contains an IRE in its 5'-UTR region on which an IRP binds if the iron level is too low, thus inhibiting its translation.
^"Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^"Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
^Bishop DF, Henderson AS, Astrin KH (Jun 1990). "Human delta-aminolevulinate synthase: assignment of the housekeeping gene to 3p21 and the erythroid-specific gene to the X chromosome". Genomics. 7 (2): 207–14. doi:10.1016/0888-7543(90)90542-3. PMID2347585.207-14&rft.date=1990-06&rft_id=info:doi/10.1016/0888-7543(90)90542-3&rft_id=info:pmid/2347585&rft.aulast=Bishop&rft.aufirst=DF&rft.au=Henderson, AS&rft.au=Astrin, KH&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Astner I, Schulze JO, van den Heuvel J, Jahn D, Schubert WD, Heinz DW (Sep 2005). "Crystal structure of 5-aminolevulinate synthase, the first enzyme of heme biosynthesis, and its link to XLSA in humans". The EMBO Journal. 24 (18): 3166–77. doi:10.1038/sj.emboj.7600792. PMC1224682. PMID16121195.3166-77&rft.date=2005-09&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1224682#id-name=PMC&rft_id=info:pmid/16121195&rft_id=info:doi/10.1038/sj.emboj.7600792&rft.aulast=Astner&rft.aufirst=I&rft.au=Schulze, JO&rft.au=van den Heuvel, J&rft.au=Jahn, D&rft.au=Schubert, WD&rft.au=Heinz, DW&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1224682&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Sussman NL, Lee PL, Dries AM, Schwartz MR, Barton JC (2008). "Multi-organ iron overload in an African-American man with ALAS2 R452S and SLC40A1 R561G". Acta Haematologica. 120 (3): 168–73. doi:10.1159/000181183. PMID19066423. S2CID10636344.168-73&rft.date=2008&rft_id=https://api.semanticscholar.org/CorpusID:10636344#id-name=S2CID&rft_id=info:pmid/19066423&rft_id=info:doi/10.1159/000181183&rft.aulast=Sussman&rft.aufirst=NL&rft.au=Lee, PL&rft.au=Dries, AM&rft.au=Schwartz, MR&rft.au=Barton, JC&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Whatley SD, Ducamp S, Gouya L, Grandchamp B, Beaumont C, Badminton MN, Elder GH, Holme SA, Anstey AV, Parker M, Corrigall AV, Meissner PN, Hift RJ, Marsden JT, Ma Y, Mieli-Vergani G, Deybach JC, Puy H (Sep 2008). "C-terminal deletions in the ALAS2 gene lead to gain of function and cause X-linked dominant protoporphyria without anemia or iron overload". American Journal of Human Genetics. 83 (3): 408–14. doi:10.1016/j.ajhg.2008.08.003. PMC2556430. PMID18760763.408-14&rft.date=2008-09&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2556430#id-name=PMC&rft_id=info:pmid/18760763&rft_id=info:doi/10.1016/j.ajhg.2008.08.003&rft.aulast=Whatley&rft.aufirst=SD&rft.au=Ducamp, S&rft.au=Gouya, L&rft.au=Grandchamp, B&rft.au=Beaumont, C&rft.au=Badminton, MN&rft.au=Elder, GH&rft.au=Holme, SA&rft.au=Anstey, AV&rft.au=Parker, M&rft.au=Corrigall, AV&rft.au=Meissner, PN&rft.au=Hift, RJ&rft.au=Marsden, JT&rft.au=Ma, Y&rft.au=Mieli-Vergani, G&rft.au=Deybach, JC&rft.au=Puy, H&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2556430&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Suzuki Y, Yamashita R, Shirota M, Sakakibara Y, Chiba J, Mizushima-Sugano J, Nakai K, Sugano S (Sep 2004). "Sequence comparison of human and mouse genes reveals a homologous block structure in the promoter regions". Genome Research. 14 (9): 1711–8. doi:10.1101/gr.2435604. PMC515316. PMID15342556.1711-8&rft.date=2004-09&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC515316#id-name=PMC&rft_id=info:pmid/15342556&rft_id=info:doi/10.1101/gr.2435604&rft.aulast=Suzuki&rft.aufirst=Y&rft.au=Yamashita, R&rft.au=Shirota, M&rft.au=Sakakibara, Y&rft.au=Chiba, J&rft.au=Mizushima-Sugano, J&rft.au=Nakai, K&rft.au=Sugano, S&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC515316&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Lee PL, Barton JC, Rao SV, Acton RT, Adler BK, Beutler E (2006). "Three kinships with ALAS2 P520L (c. 1559 C --> T) mutation, two in association with severe iron overload, and one with sideroblastic anemia and severe iron overload". Blood Cells, Molecules & Diseases. 36 (2): 292–7. doi:10.1016/j.bcmd.2005.12.004. PMID16446107.292-7&rft.date=2006&rft_id=info:doi/10.1016/j.bcmd.2005.12.004&rft_id=info:pmid/16446107&rft.aulast=Lee&rft.aufirst=PL&rft.au=Barton, JC&rft.au=Rao, SV&rft.au=Acton, RT&rft.au=Adler, BK&rft.au=Beutler, E&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Bergmann AK, Campagna DR, McLoughlin EM, Agarwal S, Fleming MD, Bottomley SS, Neufeld EJ (Feb 2010). "Systematic molecular genetic analysis of congenital sideroblastic anemia: evidence for genetic heterogeneity and identification of novel mutations". Pediatric Blood & Cancer. 54 (2): 273–8. doi:10.1002/pbc.22244. PMC2843911. PMID19731322.273-8&rft.date=2010-02&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2843911#id-name=PMC&rft_id=info:pmid/19731322&rft_id=info:doi/10.1002/pbc.22244&rft.aulast=Bergmann&rft.aufirst=AK&rft.au=Campagna, DR&rft.au=McLoughlin, EM&rft.au=Agarwal, S&rft.au=Fleming, MD&rft.au=Bottomley, SS&rft.au=Neufeld, EJ&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2843911&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Rabstein S, Unfried K, Ranft U, Illig T, Kolz M, Mambetova C, Vlad M, Roman C, Weiss T, Becker D, Brüning T, Pesch B (2008). "Lack of association of delta-aminolevulinate dehydratase polymorphisms with blood lead levels and hemoglobin in Romanian women from a lead-contaminated region". Journal of Toxicology and Environmental Health. Part A. 71 (11–12): 716–24. Bibcode:2008JTEHA..71..716R. doi:10.1080/15287390801985190. PMID18569569. S2CID20337081.11–12&rft.pages=716-24&rft.date=2008&rft_id=info:doi/10.1080/15287390801985190&rft_id=https://api.semanticscholar.org/CorpusID:20337081#id-name=S2CID&rft_id=info:pmid/18569569&rft_id=info:bibcode/2008JTEHA..71..716R&rft.aulast=Rabstein&rft.aufirst=S&rft.au=Unfried, K&rft.au=Ranft, U&rft.au=Illig, T&rft.au=Kolz, M&rft.au=Mambetova, C&rft.au=Vlad, M&rft.au=Roman, C&rft.au=Weiss, T&rft.au=Becker, D&rft.au=Brüning, T&rft.au=Pesch, B&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Abu-Farha M, Niles J, Willmore WG (Oct 2005). "Erythroid-specific 5-aminolevulinate synthase protein is stabilized by low oxygen and proteasomal inhibition". Biochemistry and Cell Biology. 83 (5): 620–30. doi:10.1139/o05-045. PMID16234850.620-30&rft.date=2005-10&rft_id=info:doi/10.1139/o05-045&rft_id=info:pmid/16234850&rft.aulast=Abu-Farha&rft.aufirst=M&rft.au=Niles, J&rft.au=Willmore, WG&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">
Nachman MW, D'Agostino SL, Tillquist CR, Mobasher Z, Hammer MF (May 2004). "Nucleotide variation at Msn and Alas2, two genes flanking the centromere of the X chromosome in humans". Genetics. 167 (1): 423–37. doi:10.1534/genetics.167.1.423. PMC1470878. PMID15166166.423-37&rft.date=2004-05&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1470878#id-name=PMC&rft_id=info:pmid/15166166&rft_id=info:doi/10.1534/genetics.167.1.423&rft.aulast=Nachman&rft.aufirst=MW&rft.au=D'Agostino, SL&rft.au=Tillquist, CR&rft.au=Mobasher, Z&rft.au=Hammer, MF&rft_id=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1470878&rfr_id=info:sid/en.wikipedia.org:ALAS2" class="Z3988">