pyruvate dehydrogenase E1 subunit beta
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A PDHB gene provides instructions for making a protein called E1 beta. E1 beta is a piece (a subunit) of a larger protein: two E1 beta proteins combine with two copies of another protein, called E1 alpha (produced from the PDHA1 gene), to form the E1 enzyme. This enzyme, also known as pyruvate dehydrogenase, is a component of a group of proteins called the pyruvate dehydrogenase complex.
Normal function
A PDHB gene provides instructions for making a protein called E1 beta. E1 beta is a piece (a subunit) of a larger protein: two E1 beta proteins combine with two copies of another protein, called E1 alpha (produced from the PDHA1 gene), to form the E1 enzyme. This enzyme, also known as pyruvate dehydrogenase, is a component of a group of proteins called the pyruvate dehydrogenase complex.
The pyruvate dehydrogenase complex plays an important role in the pathways that convert the energy from food into a form that cells can use. This complex converts a molecule called pyruvate, which is formed from the breakdown of carbohydrates, into another molecule called acetyl-CoA. The E1 enzyme performs one part of this chemical reaction. The conversion of pyruvate is essential to begin the series of chemical reactions that produces adenosine triphosphate (ATP), the cell's main energy source.
Conditions referring to this gene or chromosome
Other names
ODPB_HUMAN
PDHBD
PDHE1-B
PDHE1B
PHE1B
pyruvate dehydrogenase (lipoamide) beta
pyruvate dehydrogenase E1 component subunit beta, mitochondrial
pyruvate dehydrogenase, E1 beta polypeptide
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Leitura adicional e referências
- pyruvate dehydrogenase E1 subunit beta; MedlinePlus, National Library of Medicine.
- Brown RM, Head RA, Boubriak II, Leonard JV, Thomas NH, Brown GK. Mutations in the gene for the E1beta subunit: a novel cause of pyruvate dehydrogenase deficiency. Hum Genet. 2004 Jul;115(2):123-7. doi: 10.1007/s00439-004-1124-8. Epub 2004 May 11.
- Ganetzky R, McCormick EM, Falk MJ. Primary Pyruvate Dehydrogenase Complex Deficiency Overview. 2021 Jun 17. In: Adam MP, Bick S, Mirzaa GM, Wallace SE, Amemiya A, editors. GeneReviews(R) [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2026. Available from http://www.ncbi.nlm.nih.gov/books/NBK571223/
- Okajima K, Korotchkina LG, Prasad C, Rupar T, Phillips JA 3rd, Ficicioglu C, Hertecant J, Patel MS, Kerr DS. Mutations of the E1beta subunit gene (PDHB) in four families with pyruvate dehydrogenase deficiency. Mol Genet Metab. 2008 Apr;93(4):371-80. doi: 10.1016/j.ymgme.2007.10.135. Epub 2008 Mar 4.
- Patel MS, Korotchkina LG, Sidhu S. Interaction of E1 and E3 components with the core proteins of the human pyruvate dehydrogenase complex. J Mol Catal B Enzym. 2009 Nov 1;61(1-2):2-6. doi: 10.1016/j.molcatb.2009.05.001.
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