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・ Pyrus salicifolia
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・ Pyruvate carboxylase
・ Pyruvate carboxylase deficiency
・ Pyruvate cycling
・ Pyruvate decarboxylase
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・ Pyruvate dehydrogenase (acetyl-transferring)
・ Pyruvate dehydrogenase (cytochrome)
・ Pyruvate dehydrogenase (lipoamide) alpha 1
Pyruvate dehydrogenase (lipoamide) alpha 2
・ Pyruvate dehydrogenase (lipoamide) beta
・ Pyruvate dehydrogenase (NADP+)
・ Pyruvate dehydrogenase (quinone)
・ Pyruvate dehydrogenase complex
・ Pyruvate dehydrogenase deficiency
・ Pyruvate dehydrogenase kinase
・ Pyruvate dehydrogenase lipoamide kinase isozyme 1
・ Pyruvate dehydrogenase phosphatase
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・ Pyruvate phosphate dikinase regulatory protein


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Pyruvate dehydrogenase (lipoamide) alpha 2 : ウィキペディア英語版
Pyruvate dehydrogenase (lipoamide) alpha 2

Pyruvate dehydrogenase (lipoamide) alpha 2, also known as pyruvate dehydrogenase E1 component subunit alpha, testis-specific form, mitochondrial or PDHE1-A type II, is an enzyme that in humans is encoded by the ''PDHA2'' gene.〔(【引用サイトリンク】 url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=5161 )
==Structure==
Two mature PDHA proteins come together with two PDHB proteins to from a heterotetrameric E1 subunit. Crystal Structures allowed for a model in which the enzyme undergoes a 2-A shuttle-like motion of its heterodimers to perform the catalysis. The protein encoded by the human PDHA2 gene is part of the pyruvate dehydrogenase multienzyme complex. The entire human complex is 9.5 MDa in size, and has been described as 60-meric, meaning there are over 60 components that are assembled to make the entire complex. These subunits are conserved across many species, as the function of this complex is essential for the generation of ATP for all eukaryotes.
Each component is responsible for the catalysis of one step in this pathway; this complex exists for the purpose of channeling the intermediates of each reaction to the next enzyme, thus greatly increasing the rate of reaction.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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